CBSE Class 10 Answered

CAN U SEND ME THE IMPORTANT FORMULAE IN LIGHT REFLECTION AND REFRACTION

Asked by chandukoppararpu | 14 Oct, 2020, 07:45: PM

Expert Answer

R a d i u s space o f space c u r v a t u r e space o f space s p h e r i c a l space m i r r o r comma space R space equals space 2 space x space f o c a l space l e n g t h space T h u s comma space R space equals space 2 f M i r r o r space f o r m u l a 1 over v plus 1 over u equals 1 over f space M a g n i f i c a t i o n space b y space s p h e r i c a l space m i r r o r space m space equals fraction numerator h e i g h t space o f space i m a g e over denominator h e i g h t space o f space o b j e c t end fraction equals space minus space open parentheses fraction numerator i m a g e space d i s tan c e left parenthesis v right parenthesis over denominator o b j e c t space d i s tan c e left parenthesis u right parenthesis space end fraction close parentheses space S n e l l apostrophe s space l a w comma space r e f r a c t i v e space i n d e x comma space n space equals space fraction numerator sin space i over denominator sin space r end fraction R e f r a c t i v e space i n d e x space n subscript 21 space equals space fraction numerator s p e e d space o f space l i g h t space i n space m e d i u m space 1 over denominator s p e e d space o f space l i g h t space i n space m e d i u m space 2 end fraction equals v subscript 1 over v subscript 2 n subscript 12 space equals space fraction numerator s p e e d space o f space l i g h t space i n space m e d i u m space 2 over denominator s p e e d space o f space l i g h t space i n space m e d i u m space 1 end fraction equals v subscript 2 over v subscript 1 A b s o l u t e space r e f r a c t i v e space i n d e x comma space n subscript m equals space fraction numerator s p e e d space o f space l i g h t space i n space v a c u u m over denominator s p e e d space o f space l i g h t space i n space m e d i u m space end fraction equals c over v L e n s space f o r m u l a 1 over v minus 1 over u equals 1 over f space M a g n i f i c a t i o n space f o r space l e n s comma m space equals space fraction numerator h e i g h t space o f space i m a g e over denominator h e i g h t space o f space o b j e c t end fraction equals fraction numerator i m a g e space d i s tan c e left parenthesis v right parenthesis over denominator o b j e c t space d i s tan c e left parenthesis u right parenthesis space end fraction P o w e r space o f space l e n s comma space P space equals space fraction numerator 1 over denominator f o c a l space l e n g t h left parenthesis i n space m e t r e s right parenthesis end fraction

Answered by Shiwani Sawant | 17 Oct, 2020, 12:39: AM

CBSE Class 10 Answered

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