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Two mirrors are kept at 60^@ to each oth...

Two mirrors are kept at `60^@` to each other and a body is placed at middle .The total number of images formed is

A

six

B

four

C

five

D

three

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MODERN PUBLICATION-UNIT TEST -06-EXERCISE
  1. A ray light is incident on a 60^@ prism at the minimum deviation posit...

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  2. A thin prism of angle 15^@ made of glass of refractive index = 1.5 is...

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  3. Two mirrors are kept at 60^@ to each other and a body is placed at mid...

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  4. In an experiment ot find the focla length of a concave mirror,a graph ...

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  5. A concave mirror of focal length 15 cm forms an image having twice the...

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  6. When a ray of light enters a glass slab,then

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  7. An electromagnetic radiation of frequency v ,wave-length gamma,travell...

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  8. In refraction,light waves are bent on passing from one medum to the se...

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  9. A ray of light having wavelength 720 nm enters in a glas of refractive...

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  10. Light of having wavelength lambda and of intensitty I0 passes through...

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  11. The apparent depth of water in cylindrical water tank of diameter 2 R ...

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  12. Mirage' is a phenomenon due to

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  13. A lens when immersed in a transparent liquid becomes invisible. Under ...

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  14. Glittering of diamond is due to

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  15. An endoscope is employed by a physician to view the internal parts of...

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  16. A wire mesh consisting of very small squares is viewed at a distacne o...

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  17. A lens is made of flint glass(refractive index=1.5).When the lens is i...

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  18. A thin glass (refractie index = 1.5) lens has optical power of -5 D in...

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  19. Two thin lenses of focal length f1 and f2 are placed in contant .The f...

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  20. Two lenses of power +12 D and -2D are combined together.What is their ...

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