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Figure shows a torch sending a parallel ...

Figure shows a torch sending a parallel beam of light fixed on a wall and a plane mirror which forms a spot on the wall. As the mirror moves towards the wall, the spot on the wall moves

A

Towards the torch

B

Away from the torch

C

First closer to torch then away

D

Nowhere

Text Solution

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The correct Answer is:
A
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AAKASH INSTITUTE-RAY OPTICS AND OPTICAL INSTRUMENTS-Assignment (Section - B) Objective Type Questions (One option is correct)
  1. A lens forms a sharp image on a screen. On inserting a parallel sided ...

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  2. For an eye kept at a depth h inside water is refractive index mu, and ...

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  3. A convex lens A of focal length 20 cm and a concave lens B of focal le...

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  4. An equilateral triangular prism is made of glass (mu = 1.5). A ray of ...

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  5. White light is incident on the interface of glass and air as shown in ...

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  6. In a spherical paper weight (R = 10 cm) made of glass of refractive in...

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  7. A concave mirror is placed on a horizontal table, with its axis direct...

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  8. Two prisms of same glass (mu = sqrt(2)) are stuck together without gap...

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  9. Focal length of an equiconvex lens is 20 cm. The refractive index of m...

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  10. A short linear object of length b lies along the axis of a concave mir...

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  11. An object is placed 1m in front of the curved surface of a plano-conve...

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  12. Figure shows a torch sending a parallel beam of light fixed on a wall ...

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  13. A ray of light passes from vaccum into a medium of refractive index n....

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  14. A plane mirror is placed horizontally inside water (mu=4/3). A ray fal...

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  15. A thin lens focal length f(1) and its aperture has diameter d. It form...

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  16. A tank contains a transparent liquid of refractive index mu. The botto...

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