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If wavelength of photon is 2.2x10-11m, h= 6.6x 10-34 J-sec, then momentum of photon is:
(1) 3x 10-23kgms-1
(2) 3.33x 10 22 kgms-1
(3) 1.452x 10- 44 kgms-1
(4) 6.89x 10 43 kgms-1
Ans: 3x 10-23kgms-1
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