Q21. Monochromatic light of frequency 6x10¹⁴ Hz is produced by a laser source. The energy of photon of light is:
(a) 3.98x 10⁻¹⁹ J
(b) 39.8x 10⁻¹⁹ J
(c) 1.12x 10⁻²⁰ J
(d) 2.24x 10⁻²⁰J

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Accepted Answer

3.98x 10⁻¹⁹ J

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Q21. Monochromatic light of frequency 6x10¹⁴ Hz is produced by a laser source. The energy of photon of light is: (a) 3.98x 10⁻¹⁹ J (b) 39.8x 10⁻¹⁹ J (c) 1.12x 10⁻²⁰ J (d) 2.24x 10⁻²⁰J

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