MCQOPTIONS
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| 1. |
Refractive index of glass is 1.5. Find the wavelength of a beam of light with a frequency of 10¹⁴ Hz in glass. Assume velocity of light is 3 x 10⁸ m/sec in vacuum. |
| A. | 4 μm |
| B. | 3 μm |
| C. | 2 μm |
| D. | 1 μm |
| Answer» D. 1 μm | |