Top 10k strings from O'Level Physics Revision - Light 1 (1984)(Rose Software).z80 in <root> / bin / z80 / software / Sinclair Spectrum Collection TOSEC.exe / Sinclair ZX Spectrum - Utilities & Educational / Sinclair ZX Spectrum - Utilities & Educational - [Z80] (TOSEC-v2007-01-01) /
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4 )="principal focus":
4 )="centre of curvature":
3 ;o$;o$;o$;
2 ;"SHADOWS";
2 ;"Object";
2 /8","605","0","1202","-22","-5*
2 /8","599","-1","600","-9","599","-1"
2 )="virtual and erect":
2 )="total eclipse":
2 )="principal axis":
2 )="penumbra":
2 )="partial eclipse":
2 )="optical centre":
2 )="incident ray":
2 )="critical angle":
2 )="apparent depth":
2 )="angle of refraction":
2 )="always virtual":
2 )="always real":
2 "4";"Glass"
2 "22";"Angle of";
1 p;"The border of partial shadow is called the ..":
1 p$(i)=("not "
1 ? The image is .."
1 =critical
1 ;j;". ";p$(i):
1 ;"virtual image?";
1 ;"virtual and erect";
1 ;"two plane";
1 ;"turning your TV off and";
1 ;"travels in straight lines.":
1 ;"three images";
1 ;"then sketch the diagram.";
1 ;"the images all";
1 ;"the eye see?";
1 ;"small wavelength. Light";
1 ;"reflection of parallel beams";
1 ;"real and inverted";
1 ;"press r to return to menu)";
1 ;"position";
1 ;"placed between";
1 ;"pinhole";
1 ;"of the object OB":
1 ;"of reflection?";
1 ;"motion which has a very";
1 ;"mirrors M
1 ;"mirror can be either";
1 ;"lie on a .. ";
1 ;"indicates that light";
1 ;"incomplete)"
1 ;"in mirror M
1 ;"images does";
1 ;"from a concave mirror MM'":
1 ;"formation of";
1 ;"experiment consists of a hole";
1 ;"depending on the position";
1 ;"cut in a white screen."
1 ;"can be considered to ..?"
1 ;"are seen. ";
1 ;"angles.";
1 ;"acts as object";
1 ;"_Screen":
1 ;"_Blurred";
1 ;"Which image ";
1 ;"When this sharp image is","obtained, the screen is at the..":
1 ;"When light passes from one
1 ;"When drawing ray diagrams, whichof the following is false?"
1 ;"When an obstacle is placed in the path of light coming from an EXTENDED SOURCE,",,,"the shadow on the screen is seento be edged with a border of partial shadow":
1 ;"What is the";
1 ;"What is meant by a";
1 ;"What happens to the size of the image when the object is moved to O
1 ;"What are the two laws";
1 ;"This is especially important in questions involving ray diagrams":
1 ;"Then..";
1 ;"The solid dark circle of shadow is called the ..":
1 ;"The size of the pinhole is now increased. The image becomes ..":
1 ;"The sharp edge of a shadow";
1 ;"The position P is the ..":
1 ;"The object used in this";
1 ;"The line joining the pole P to the centre of curvature C is the":
1 ;"The image in a plane mirror is.."
1 ;"The image formed by a concave";
1 ;"The distance u is called the .."
1 ;"The distance mirror to screen ismeasured as ";r;"cms. What is the focal length of the mirror?"
1 ;"The distance CP is the ..":
1 ;"The diagram shows the";
1 ;"THEN ...":
1 ;"THE PINHOLE CAMERA";
1 ;"THE LAWS OF REFLECTION ARE:-";
1 ;"Since light travels in straight lines, a given point on the
1 ;"Screen";
1 ;"STOP TAPE and press any key":
1 ;"SPHERICAL MIRRORS":
1 ;"Refractive index of the water =":
1 ;"Refractive index is denoted by n":
1 ;"RULES FOR RAY TRACING";
1 ;"REFRACTION":
1 ;"REFLECTION OF LIGHT";
1 ;"Press any key"
1 ;"Obstacle":
1 ;"NATURE OF LIGHT";
1 ;"Magnification = ?":
1 ;"Magnification = ?" :
1 ;"MM' represents the surface
1 ;"MEASUREMENT OF FOCAL LENGTH";
1 ;"Looking at the image of your face in a mirror, the left ear of the image is formed from yourright ear as object.This effect is called lateral inversion.";
1 ;"Light is a form of wave";
1 ;"LIKE AN EXPLANATION?"
1 ;"Inverted";
1 ;"Image->";
1 ;"If the object is between F and the pole P, then the image is ..":
1 ;"If the eye looks";
1 ;"If radius of curvature (CP)=r and focal length (FP)=f then ..":
1 ;"IMAGES FORMED BY CONCAVE MIRRORS";
1 ;"IMAGES FORMED BY A CONVEX MIRROR";
1 ;"IMAGE FORMED BY A PLANE MIRROR";
1 ;"How many";
1 ;"Geometrically";
1 ;"Choose 1, 2 or 3"
1 ;"C is the ..":
1 ;"At position y on the Earth's surface, there is ..":
1 ;"Angle r is called the ..":
1 ;"An object OB is placed in front of a convex mirror. The image formed is ..":
1 ;"An object O is";
1 ;"An eclipse of the sun by the moon occurs when the moon
1 ;"After each question, try";
1 ;"AO is the direction in
1 ;"AO is called the ..":
1 ;"A virtual image is formed by theapparent intersection of rays when their directions have been produced backwards.":
1 ;"A thin cross-wire is initially placed across the hole. This serves to .."
1 ;"A concave mirror, mounted in a holder, is moved until a sharp image of the object is formed on the screen adjacent to the object."
1 ;"A SOLAR ECLIPSE";
1 ;"2. The angle of incidence is equal to the angle of reflection":
1 ;"1.For ray incident at P,angle of incidence = angle of reflection2.Rays parallel to the principal axis are reflected through F 3.Rays through C are reflected through P"
1 ;"1. The incident ray, the
1 ;"1. The incident ray(AO) and the refracted ray(OB) are on
1 ;"-Umbra":
1 ;"(diagram";
1 ;"(The diagram is not to scale)":
1 ;"(At any time, you can";
1 ;" u=v so magnification = v/u = 1 ":
1 ;" c = critical angle of the glass":
1 ;" Your answer:";q$;" ";
1 ;" The ray diagram above shows why"
1 ;" THINK FIRST! ";
1 ;" THINK FIRST! ":
1 ;" See diagram above ":
1 ;" Reflected back along same path ":
1 ;" NEED HELP? y or n "
1 ;" Look at the ray diagram above ";
1 ;" Look at the ray diagram above "
1 ;" LAWS OF REFRACTION "
1 ;" LATERAL INVERSION ":
1 ;" Join CO
1 ;" For eg. of LATERAL INVERSION ..":
1 ;" =(image height)/(object height)":
1 ;" * Well done * ":
1 ;" (Rays may pass the other way) ":
1 ;" Sorry correct answer is no.";k;" ":
1 ;" Radius of curvature r = 2f ":
1 /6","597","2","309","72","138","600","16","656","-28","656","28","600","-16","128","126","571","-14.5"
1 /6","1212","2","-
1 /4","616","0","1200","56","-
1 /4","584","0"
1 /3","40","132","780","0","9999"
1 /3","1200","56","
1 /2","9999":
1 /2","166","124","598","-2","602","-2","9999":
1 /2","116","114","1220","0","
1 )="virtual and inverted":
1 )="umbra":
1 )="travel in straight lines":
1 )="total internal reflection":
1 )="three":
1 )="the right way up":
1 )="sometimes real":
1 )="smaller":
1 )="smaller than the object":
1 )="same size":
1 )="rf=constant":
1 )="refractive index":
1 )="refraction":
1 )="refraction only":
1 )="refraction and reflection":
1 )="reflection":
1 )="reflected ray":
1 )="reduce brightness":
1 )="real or virtual":
1 )="real depth/apparent depth":
1 )="real depth":
1 )="real and inverted":
1 )="real and erect":
1 )="radius of curvature":
1 )="produce interference":
1 )="point of incidence":
1 )="parabola":
1 )="object distance":
1 )="no eclipse":
1 )="much sharper":
1 )="magnification":
1 )="larger":
1 )="is always virtual":
1 )="is always real":
1 )="incorrect":
1 )="incomplete":
1 )="incidence":
1 )="image":
1 )="image distance":
1 )="further away than 2F":
1 )="focal length":
1 )="elipse":
1 )="eclipse":
1 )="deviation":
1 )="critical depth":
1 )="correct":
1 )="circle":
1 )="can be real or virtual":
1 )="brighter but blurred":
1 )="between F and C":
1 )="between F and 2F":
1 )="bend round corners":
1 )="avoid small objects":
1 )="assist sharpness of focusing":
1 )="apparent depth/real depth":
1 )="angle of reflection":
1 )="angle of deviation":
1 )="1/sin r":
1 )="1/sin i":
1 )="1/sin c":
1 )="1/apparent depth":
1 )="1/(vxu)":
1 )+"same size as the object":
1 )+"laterally inverted":
1 ))=("not "
1 $ $! !440440
1 $ $ !4404404
1 $ $ !4400004
1 $ !44044044
1 $ !440440
1 "92","144","652","0","92","132","600","12","601","0","600","-12"
1 "9";"velocity in medium v
1 "9";"as Snell's Law)";
1 "9";"X is the ..";
1 "9";"Then..";
1 "9";"For 2nd law..":
1 "80","100","688","0","556","64","556","-64","93","121","660","30","147","129","576","6"
1 "8";"does a lens have?";
1 "8";"What are the two";
1 "8";" THINK FIRST! ":
1 "8";" Choose 1 to 5 "
1 "76","151","718","-22","76","151","644","0","581.5","11","158","128","563","22"
1 "75","111","600","-2","603","-1","83","99","600","-2","603","-1","9999":
1 "72","160","683","-16","72","160","750","-50","72","160","600","-28","601","0","600","28"
1 "72","154","656","-36","128","118","600-56/2.5","-36/2.5"
1 "7";"until angle r = 90
1 "7";"laws of refraction?";
1 "7";"FORMATION OF IMAGE";
1 "7";"BENT STICK EFFECT";
1 "7";"(One is also known";
1 "67","148","602","-2","598","-2","67","134","602","-2","598","-2","67","120","602","-2","598","-2"
1 "64","146","602","-2","598","-2","64","134","602","-2","598","-2","64","122","602","-2","598","-2"
1 "64","106","780","38+2*38/7","157","130","619","0","72","93","768","37+8*37/13","244","120","600","34"
1 "6";"n=";n
1 "6";"incidence i, the above
1 "6";"For a SMALL angle of";
1 "6";"Air";
1 "6";" See diagram above ":
1 "6";" For explanation - ":
1 "588","12","600","48","664","0","600","-48","536","0","100","158","612","-12","164","158","612","-12","176","98","588","12"
1 "56","160","724","-28","56","96","724","28","56","160","740","-53","56","96","740","53","309","9999":
1 "5";"is angle ..":
1 "5";"How many principal foci";
1 "5";"Air";
1 "48","152","800","-48","45","148","603","3","601","0","603","-3","48","132","600","20","601","0","600","-20","48","152","684","0","696","-48"
1 "48","137","735","0","48","122","729","0","556","14","132","137","512","28","48","152","729","0","555","-14","131","136","512","-28"
1 "48","128","760","0","76","151","600","-23","599","0","600","23","73","149","602","2","601","0","602","-2","9999":
1 "48","128","732","0","127","160","600","-60","9999":
1 "48","120","800","0","63","104","600","-9","608","0","156","130","600","-10","601","0","600","10","154","128","602","2","601","0","602","-2","9999":
1 "40","146","654","0","612","-1","680","-12","40","118","654","0","612","1","680","12"
1 "40","144","704","0","40","120","704","0","608","-1","664","-16"
1 "4";"The angle of deviation";
1 "4";"TOTAL INTERNAL REFLECTION";
1 "4";"For a diverging lens,the
1 "4";"DIVERGING OR CONCAVE LENS";
1 "4";"Angle i is called the .."
1 "309","9999":
1 "306","80","112","596","0","599","1","600","9","599","1","1202","22","-5*
1 "306","37","112","596","0","599","1","600","9","599","1","1202","22","-5*
1 "303","55","120","696","24","55","136","696","-24"
1 "303","156","105","640","0","600","47","560","0","600","-47","152","105","600","46"
1 "301","95","110","598","2","1202","-12","-
1 "301","147","128","624","16","93","123","570","22","309","9999":
1 "300","169","142","600","-28","170","142","600","-28","172","116","598","-2","599","0","598","2","303"
1 "300","124","135","600","-14","125","135","600","-14","309","9999":
1 "3";"index of the glass is .."
1 "3";"When light passes FROM air";
1 "3";"TOTAL INTERNAL REFLECTION";
1 "3";"TO eg.glass, refractive";
1 "3";"Refractive index n = sin i";
1 "3";"Object->"
1 "3";"Deviation is least when ..":
1 "3";"CONVERGING OR CONVEX LENS"
1 "29";"EYE"
1 "28";"EYE";
1 "27";"Image";
1 "25";"EYE";
1 "24";"sin
1 "23";"mirrors";
1 "23";"in plane";
1 "22";"lenses"
1 "22";"deviation";
1 "22";"deviation":
1 "22";"Action of";
1 "22";"5.";
1 "214","134","602","-2","598","-2","213","106","602","-3","597","-2"
1 "213","163","603","-2","598","-3","40","132","776","0","144","144","608","1","664","16","9999"
1 "21";"Reflection";
1 "21";"2.";
1 "208","132","600","-18","601","0","600","18","205","118","603","-3","601","0","603","3"
1 "2";"The speed of a ray of light
1 "2";"The image formed (at I) by a concave lens is always ..":
1 "2";"As a result of refraction,
1 "188","133","634","6","182","132","640","-6"
1 "182","160","610","0","600","-10","183","158","560","-20","189","151","562","-13","4","138","739","0","151","138","680","0"
1 "180","124","602","-5","595","-2","70","112","603","0","601","-1","600","-3","9999":
1 "179","131","602","-2","600","-1","598","-2","9999":
1 "173","147","602","0","600","-2","161","148","602","0","600","-2","134","125","602","0","600","-2","140","128","602","0","600","-2","9999":
1 "167","80","600","-9","608","0","179","111","602","0","601","2","184","115","602","0","600","2","179","95","600","-2","602","0","187","91","600","-2","602","0","9999":
1 "167","114","504","22","167","142","504","-22","86","125","602","-2","598","-2","86","135","602","-2","598","-2","309","68","136","600","-17","67","136","600","-17","65","134","602","2","601","0","602","-2","9999":
1 "163","127","603","-3","597","-3","157","142","600","-3","597","0","89","145","603","-3","597","-3","90","154","602","-2","598","-2","9999":
1 "157","147","600","-2","603","0","158","139","598","-2","602","-2","157","130","597","0","600","-2","9999":
1 "157","104","616","22","157","104","622","22","167","122","602","0","601","-2","602","0","601","-2"
1 "152","145","548","-13","152","119","548","13"
1 "152","136","504","0","152","120","504","0","301","55","120","600","-16","560","0","600","48","640","0","600","-16"
1 "15";"N'";
1 "148","160","600","-56","92","144","726","-28","599","3","601","-3","598","-2","122","132","600","5","601","0","600","-5","9999":
1 "148","160","600","-56","174","124","1173","9","-
1 "145","107","602","0","601","1","600","2","9999":
1 "143","138","580","-34","150","138","573","-34"
1 "143","138","580","-10","152","138","600-38/1.1","-14/1.1"
1 "140","160","1200","-56","-
1 "140","142","602","-3","598","-2","140","134","602","-2","598","-2","140","127","602","-2","598","-3"
1 "138","138","600","-10","139","138","600","-10","9999":
1 "137","109","604","-1","600","3","109","107","604","1","601","0","600","-3","148","147","603","0","601","0","599","-4","9999":
1 "134","146","602","-2","598","-2","140","140","600","-3","597","-2","184","140","602","-2","598","-2","200","120","600","-3","597","-2","9999":
1 "133","126","659","0","600","-59","168","80","660","70","176","72","652","78","157","150","634","-42","157","150","634","-54"
1 "127","158","600","-62","32","128","792","0","127","128","620","-30","127","128","550","30"
1 "127","144","1212","-4","-
1 "127","129","653","0","127","134","605","0","600","-5"
1 "127","128","627","-27","128","128","627","-27"
1 "127","103","600","48","79","151","648","-48","648","48","103","125","602","0","600","2","149","127","602","0","600","-2","114","116","1226","0","-
1 "120","132","600","12","601","0","600","-12","120","144","636","0","680","-16"
1 "12";"mirrors"
1 "12";"Spherical";
1 "12";"QUESTION";
1 "12";"3.";
1 "118","113","600","-2","602","0","111","119","600","-2","602","0","117","133","600","-2","598","0","114","129","600","-2","598","0","9999":
1 "117","125","557","13","117","125","598","-2","558","13.3"
1 "112","98","664","0","600","48","536","0","600","-48"
1 "110","139","602","-2","598","-2","140","154","602","-2","598","-2","140","124","602","-2","598","-2"
1 "11";"REFRACTION";
1 "109","101","618","27","618","-27"
1 "108","101","618","27","636","27","127","128","636","27"
1 "106","110","602","0","601","-1","600","-2","9999":
1 "105","153","602","-2","598","-2","109","160","598","0","600","-3","100","148","600","-2","598","-1"
1 "100+i","160","1200","-56","
1 "100","146","600","-2","598","0","140","111","600","-2","598","0","9999":
1 "100","101","627","27","99","101","627","27","115","117","1211","-7","
1 "10";"velocity in air = v
1 "1";"surfaces";
1 "1";"of light"
1 "1";"at plane";
1 "1";"Water";
1 "1";"The small angle i is increased";
1 "1";"The image formed by a convex lens is VIRTUAL when the
1 "1";"The image formed by a convex lens ..":
1 "1";"Refraction";
1 "1";"Nature";
1 "1";"If the refractive index n of a block of glass is ";n;" what is the critical angle?"
1 "1";"If angle i is greater than the critical angle, the incident light undergoes ..";
1 "1";"DEVIATION OF LIGHT BY A PRISM";
1 "0";o$;o$;o$;o$;o$;o$;
1 "0";"When light passes from air to a denser medium eg.glass,its speedis reduced and so a ray of lightchanges direction at the surfaceof the medium. This is called";
1 "0";"We only consider rays close to the principal axis, and only thin lenses in order to obtain a true point focus.":
1 "0";"The distance FC is called the FOCAL LENGTH of the lens, where C is the .?. of the lens"
1 "0";"Refractive index ";n;" = 1/sin c ":
1 "0";"Object";
1 "0";"If B is at the bottom of the water, then the distance OC is the .?. of the water."
1 "0";"For a ray passing from air to eg.glass, (sin i)/(sin r) is called the .?. (of glass here)"
1 "0";"As a result of refraction, C is the image of ..";
1 "0";"Angle BON' is called Angle of ..":
1 "0";"Angle AON is called the angle of":
1 "0";"A lens may be regarded as being made up of a number of prisms.",,,"As a result,when a beam of lightstrikes the lens, the rays are bent inwards, the outer ones being deviated more than the inner ones."
1 "0";"2. SNELL'S LAW:- When light
1 "0";" Refractive index n =";
1 "0","63","855","0","600","-47","345","0","600","47","73","31","740","0","230","31","608","0","9999":
1 which light falls on to
1 to give top of image ":
1 the reflecting surface":
1 the earth and all three are
1 screen is illuminated solely by light coming in a straight line through the pinhole from a certain point on the object outside"
1 same plane";
1 refraction is a constant.":
1 refracted ray.":
1 reflected ray and the normal at the point of incidence
1 reflected ray and a strong
1 principal focus is ..":
1 passes from one substance to another the ratio of the sine of the angle of incidence to the sine of the angle of
1 passes between the sun and
1 opposite sides of the normal (NN') and all 3 are in the
1 of the glass":
1 of incidence =
1 of emergence":
1 of a plane mirror";
1 object is .."
1 medium to a less optically
1 is reduced when it enters a
1 is formed by looking in M
1 in water appears to be bent.":
1 in a straight line.";
1 get a weak internally
1 diagram is .."
1 denser medium, and refractive index is also defined as"
1 dense medium, for a SMALL
1 at right";
1 are superimposed ":
1 angle of incidence i, we
1 all lie in the same plane ";
1 a stick SB partly immersed
1 ROSE SOFTWARE May 1984