Need Help in this whole thing thanks

Need Help in this whole thing thanks
O PTIC S U NIT T ES T / 3 8 P art A : M ult ip le C hoic e / 1 0 N am e: _ ________________________ 1 . W hic h o f t h e f o llo w in g c o m bin atio ns r e p re se n ts l ig ht w ith t h e h ig hest e n erg y: a . l o ng w av ele n gth , h ig h f re q uen cy b . s h ort w av ele n gth , l o w f re q uen cy c . s h ort w av ele n gth , h ig h f re q uen cy d . l o ng w av ele n gth , l o w f re q uen cy 2 . I f y ou a re w earin g a s h ir t t h at a b so rb s a ll w av ele n gth s o f t h e v is ib le s p ectr u m e x cep t f o r t h ose r ig ht a t t h e l o w est f re q uen cy, y our s h ir t w ill a p pear: a . B la ck b . W hite c . V io le t d . R ed 3 . W hic h o f t h e f o llo w in g h as t h e l o ngest w av ele n gth ? a . u ltr a v io le t l ig ht b . g am ma r a y s c . x -ra y s d . i n fra re d l ig ht 4 . W hic h o f t h e f o llo w in g i s N O T a n e x am ple o f a l u m in ous o bje ct? a . M oon b . S un c . C an dle d . L ig ht b ulb 5 . W hen l ig ht h its a n o bje ct t h at i s t r a n sp are n t, l ig ht w ill a . a ll b e t r a n sm itte d b . b e t r a n sm itte d , r e fle cte d , a n d a b so rb ed c . a ll b e r e fra cte d d . b e r e fle cte d a n d r e fra cte d 6 . W hat p arts o f t h e e y e w ould b e e q uiv ale n t t o t h e p in hole a n d s c re en o f a p in hole c am era ? a . p in hole = pupil, s c re en = ir is b . p in hole = le n s, s c re en = c o rn ea c . p in hole = r e tin a, s c re en = le n s d . p in hole = pupil, s c re en = re tin a 7 . W hat t y pe o f l ig ht s o urc e c o m bin es t h e p rin cip le s o f b oth e le ctr ic d is c h arg e a n d f lu ore sc en ce? a . I n can desc en t l ig ht b . C om pact f lu ore sc en t l ig ht c . P hosp hore sc en t l ig ht d . C hem ilu m in esc en t l ig ht 8 . W hic h o f t h e f o llo w in g p ro pertie s a re t r u e o f i m ag es f o rm ed i n p la n e m ir ro rs ? a . U psid e d ow n b . L arg er t h an o bje ct c . h i / h o = 1 d . A ll o f t h e a b ove a re t r u e e . N one o f t h e a b ove a re t r u e 9 . I f t h e a n gle b etw een a r e fle cte d r a y a n d a p la n e m ir ro r i s 7 5 d eg re es, t h en t h e a n gle o f i n cid en ce m ust b e: a . 1 5 d eg re es b . 1 05 d eg re es c . 7 5 d eg re es d . 9 0 d eg re es 1 0. I f y ou p la ced a b ask etb all i n f ro nt o f a c o nverg in g/c o nvex l e n s a n d n otic ed t h at n o i m ag e f o rm ed , w hat w ould t h is t e ll y ou? a . T he l e n s i s t r a n sp are n t a n d t h ere fo re l ig ht i s m ostly b ein g a b so rb ed . b . T he l e n s i s c au sin g d if f u se r e fle ctio n a n d t h ere fo re n o i m ag e i s f o rm ed . c . T he b ask etb all h as b een p la ced b ey ond t h e f o cal d is ta n ce o f t h is l e n s. d . T he b ask etb all i s d ir e ctly a t t h e f o cal p oin t o f t h e l e n s. P art B : D ia gra m s a n d C alc u la tio n s / 2 8 1 . U se i n cid en t r a y s a n d r e fle cte d r a y s t o s h ow /c re ate w here t h e i m ag e i s f o rm ed i n t h e p la n e m ir ro r d ia g ra m t o t h e r ig ht. ( 3 m ark s) W hat a re t h e c h ara cte ris tic s o f t h e i m ag e ( 2 m ark s) S iz e: _ _________________________________ A ttitu de: _ ______________________________ L ocatio n: _ ______________________________ T ype: _ _________________________________ 2 . D ra w a r a y d ia g ra m t o s h ow h ow e y e A c an s e e t h e i m ag e o f t h e o bje ct. D esc rib e t h e c h ara cte ris tic s o f t h e i m ag e. ( 6 m ark s) S iz e: _ _________________________________ A ttitu de: _ ______________________________ L ocatio n: _ ______________________________ T ype: _ _________________________________ 2 . C an e y e B s e e t h e i m ag e? E xpla in a n d s h ow o n d ia g ra m h ow y ou c an t e ll. ( 2 m ark s) 3 . D ra w th e im ages a s th ey a re fo rm ed in a c o nve x/c o nve rg in g le ns w hen y o u a re g iv e n t h e fo llo w in g in fo rm atio n: a . W hen d o = 1 0m m, f= 1 5m m, h o = 15m m ( 3 m ark s) b . W hen f= 20m m, d i = 60m m, h o = 20m m ( 4 m ark s) C ALC ULA TIO NS 4 . A le ns h as a fo ca l le ngth o f 2 m . A p encil is p la ce d 3 m fr o m th e le ns. a . W here w ill th e im age o f th e p encil b e fo rm ed ? ( s h o w a ll w ork ) ( 3 m ark s) b . I s th e im age in ve rte d o r u prig ht? H ow d o y o u k n ow ? ( 1 m ark ) 5 . A n o bje ct th at is 4 5cm a w ay fr o m a le n s h as a m ag nif ic a tio n o f 2 .5 . a . W hat is th e fo ca l d is ta nce o f th is le ns? ( s h ow a ll w ork ) ( 3 m ark s) b . I s th e im age c re ate d r e al o r v ir tu al a nd h o w d o y o u k n ow ? ( 1 m ark )