A) \[1.6\times {{10}^{14}}\,\,Hz\]
B) \[9.10\times {{10}^{14}}\,\,Hz\]
C) \[6\times {{10}^{14}}\,\,Hz\]
D) \[4\times {{10}^{14}}\,\,Hz\]
Correct Answer: C
Solution :
When a ray of light passes from one medium to another, then its frequency does not change, but its speed and wavelength change. Hence, its frequency in a medium of refractive index \[1.5\] is \[6\times {{10}^{14}}Hz\]. Note: Intensity of light also changes, because a part of it is reflected.
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