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A medium is said to be dispersive if...

A medium is said to be dispersive if

A

Light of different wavelength propagate at different speeds

B

Light of different wavelengths propagate at same speed but has different frequencies

C

Light is gradually bent rather than sharply refracted at an interface between the medium and air

D

Light is never totally internally reflected

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The correct Answer is:
a
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ERRORLESS -RAY OPTICS-SET
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