1.

 If a ray is refracted to denser medium then(a) Speed, wavelength and frequency remains constant(b) Speed and wavelength decreases, frequency constant(c) Speed, wavelength and frequency increases(d) Speed, wavelength and frequency decreases

Answer»

(b) Speed and wavelength decreases, frequency constant

When a ray goes from rarer medium to denser medium then its speed and wavelength decreases but frequency always remains constant. So correct answer is (B).

CORRECT OPTION WILL BE B


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