Doubt of Ray Optics .....Q1..... Answer is C Thank you.....
Doubt of Ray Optics .....Q1..... Answer is C Thank you.....
Subinoy Karmakar , 6 Years ago
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Wave Optics> Doubt of Ray Optics .....Q1..... Answer i...
1 Answers
Arun
Last Activity: 6 Years ago
Dear student
RI n=rea; depth /apparent depth
n=30/x
silvered surface act as a mirror
thus,to get the image 23.2 cm behind,the object should be 23.2 cm i n front
x+thickness of glass=23.2
x+10=23.2
x=23.2-10=13.2
n=30/13.2
=2.272
n=30/x
silvered surface act as a mirror
thus,to get the image 23.2 cm behind,the object should be 23.2 cm i n front
x+thickness of glass=23.2
x+10=23.2
x=23.2-10=13.2
n=30/13.2
=2.272
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