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The ray diagram could be correct...

The ray diagram could be correct

A

if `n_1-n_2=n_g`

B

if `n_1=n_2` and `n_1 lt n_2`

C

if `n_1=n_2` and `n_1gtn_g`

D

under no circumstances

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The correct Answer is:
A
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CP SINGH-REFRACTION AT SPHERICAL SURFACES-EXERCISES
  1. A thin convergent glass lens (mug=1.5) has a power of +5.0D. When this...

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  2. A hollow double concave lens is made of very thin transparent material...

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  3. The ray diagram could be correct

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  4. A lens of refractive index n is put in a liquid of refractive index n'...

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  5. A convex lens is dipped in a liquid whose refractive index is equal to...

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  6. Four lenses are made from the same type of glass, the radius of curvat...

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  7. An equi-convex glass lens with radius of each face as R is placed in a...

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  8. In the above question if there is air in the object space and water in...

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  9. A convex lens is made of 3 layers of glass of 3 different materials as...

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  10. The focal length for violet, green and red light rays are fV,fG and fR...

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  11. An equiconvex lens is cut into two halves along (i) XOX^(') and (ii) Y...

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  12. If the central portion of a convex lens is wrapped in black paper as s...

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  13. A convex forms a real image of a poinnt object placed on its principal...

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

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  15. A convex lens is made up of three different materials as shown in the ...

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  16. consider three congerging lenses L1, L2 and L3 having identical geomet...

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  17. A double convex lens made of a material of refractive index mu1, is pl...

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  18. A parallel beam of light is incident on a converging lens parallel to ...

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  19. A point source of light is placed at a distance of 2f from a convergin...

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  20. A thin lens, made of glass of refractive index 3//2, produces a real a...

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