3. The no. of photons of light of wavelength 7000 Å
equivalent to 1J are
(1) 3.52 x 10-18
(2) 3.52 * 1018
(3) 50,000
(4) 100000
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Answer:
the no. of photons of light of wavelenghth 7000 A to
3.52 * 1018
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