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A 600 W mercury lamp emits monochromatic radiation of wavelength 3.315 x 10-7 m. How many photons are emitted from the lamp per second ? a. 1 x 109b. 1 x 1020 c. 1 x 1021d. 1 x 1023 |
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Answer» Correct option is c. 1 x 1021 |
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