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Ray Optics Test...

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  • Question 1
    4 / -1

    The frequency of a light ray is 6 × 1014Hz. Its frequencywhen it propagates in a medium of refractive index 1.5, will be

  • Question 2
    4 / -1

    A glass slab of thickness 3 cm and refractive index 3/2 is placed on ink mark on a piece of paper. For a person looking at the mark at a distance 5.0 cm above it, the distance of the mark will appear to be

  • Question 3
    4 / -1

    Refractive index of air is 1.0003. The correct thickness of air column which will have one more wavelength of yellow light (6000 Å) than in the same thickness in vacuum is

  • Question 4
    4 / -1

    The wavelength of light in air and some other medium are respectively λa and λm.The refractive index ofmedium is

  • Question 5
    4 / -1

    An astronaut in a spaceship see the outer space as

  • Question 6
    4 / -1

    Speed of light is maximum in

  • Question 7
    4 / -1

    A transparent cube of 15 cm edge contains a small air bubble. Its apparent depth when viewed through one face is 6 cm and when viewed through the opposite face is 4 cm. Then the refractive index of the material of the cube is

  • Question 8
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    In vacuum the speed of light depends upon

  • Question 9
    4 / -1

    A cut diamond sparkles because of its

  • Question 10
    4 / -1

    Critical angle of light passing from glass to air isminimum for

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