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A convex lens is made of 3 layers of gla...


A convex lens is made of 3 layers of glass of 3 different materials as in the figure. A point object is placed on its axis. The number of images of the object are

A

3

B

4

C

1

D

2

Text Solution

Verified by Experts

The correct Answer is:
C
This combination is equivalent to single lens.
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CP SINGH-REFRACTION AT SPHERICAL SURFACES-EXERCISES
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  5. An equiconvex lens is cut into two halves along (i) XOX^(') and (ii) Y...

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

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

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

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

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

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

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  16. A convex lens of focal length 16 cm forms a real image double the size...

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  17. An object 1.5 cm high is placed 10 cm from the optical centre of a thi...

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  18. A needle of height 5 cm placed 45 cm from a lens forms an image on a s...

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  19. In previous question, the nature and size of the image are

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  20. An object is placed first at infinity and then at 20 cm from the objec...

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