Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 7
Electrical Power Engineering Multiple Choice Questions and Answers (MCQs) Part 7: 302. Sky appears blue due to (a) radiation. (b) reflection. (c) refraction. (d) scattering of light over dust particles. Answer : (d) scattering of light over dust particles. 303. Colour of light depends upon (a) velocity of light. (b) frequency. (c) wavelength. (d) both […]
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