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An observer stand on the bank of lake fi...

An observer stand on the bank of lake finds fish at the depth 12 cm in water. At what height is the image of fish found raised ?

A

9 cm

B

12 cm

C

3 cm

D

3.8 cm

Text Solution

Verified by Experts

The correct Answer is:
C

Shift in image of fish,
d=h-h.=h-`(h)/(mu)`
`h(1-1/mu)`
`=h(1-3/4)`
`=12(1/4)`
=3 xm
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  8. A ray of light is incident on liquid surface such that reflected and r...

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  9. Light ray travels from air to glass and air to water, as shown in figu...

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  15. A ray of light enters in air from glass. What wi be deviation angle if...

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  16. When an object in rarer medium is viewed from denser medium, then that...

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  17. A vessel of depth d is half filled with liquid of refractive index mu1...

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  18. A narrow beam of light is incident on a glass plate of refractive inde...

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  19. A bird views a fish at 3 m depth in water. Real depth of fish is ........

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  20. An object viewed by a person in water is at 3 m height in air, then re...

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