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A narrow beam of white light enters slab...

A narrow beam of white light enters slab having parallel faces.

A

the light never splits in different colours

B

the emergent beam is white

C

the light inside the slab is split into different colours

D

the light inside the slab is white

Text Solution

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The correct Answer is:
B
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DISHA PUBLICATION-RAY OPTICS AND OPTICAL INSTRUMENTS-Exercise - 1 : Concept Builder (Topicwise)(Topic 2 : Refraction of Light at Plane Surface and Total Internal Reflection)
  1. When light is refracted into a medium

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  2. The ratio of thickness of plates of two transparent medium A and B is ...

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  3. The refractive indices of glass and water with respect to air (1)/(2) ...

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  4. The wavelength of a monochromatic light in vacuum is gamma. It travels...

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  5. A glass slab of thickness 4 cm contains the same number of waves as 5 ...

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  6. A ray of light travelling in water is incident on its surface open to ...

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  7. A ray of light is lncident on a glass plate at 60^(@). The reflected a...

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  8. Total internal reflection can take only if

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  9. Electromagnetic radiation of frequency n, wavelength lambda, travellin...

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  10. A ray of light travelling inside a rectangular glass block of refracti...

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  11. A narrow beam of white light enters slab having parallel faces.

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  12. A ray is incident at an angle 60^(@) on a sphere which is made of mate...

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  13. A fish looking up through the water sees the outside world contained i...

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

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  15. A small coin is resting on the bottom of a beaker filled with liquid. ...

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  16. Let the x-z plane be the boundary between two transparent media. Mediu...

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  17. A transparent solid cylindrical rod has a refractive index of (2)/(sqr...

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