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Light as Wave

pinhole nb...

Question

pinhole camera gives colourful or black and white images? and explain why.

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Solution

$P i n h o l e c a m e r a g i v e s u s b l a c k a n d w h i t e i m a g e s b e c a u s e; 1 . p i n h o l e c a m e r a i s o n l y s e n s i t i v e t o i n t e n s i t y o f l i g h t f a l l i n g o n t h e l e n s o f c a m e r a . 2 . t h e f i l m u s e d i n t h e p i n h o l e c a m e r a i s o n l y s e n s i t i v e t o i n t e n s i t y o f l i g h t . 3 . t h e l a b w h e r e w a s h i n g a n d d e v e l o p i n g w o r k i s d o n e i s a l s o s e n s i t i v e t o i n t e n s i t y o f l i g h t . 4 . f o r c o l o u r e d i m a g e s, c o l o u r l a b a n d t h e p h o t o a s w e l l a s c o l o u r s e n s i t i v e f i l m i s r e q u i r e d .$

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