The momentum of a photon of frequency 5 x 1017 s-1 is nearly:

λ=h momentum ∴ momentum =hλ=h×vc ∴ momentum =6.6×10−34×5×10173.0×108 =1.1×10−24kgmsec−1

The momentum of a photon of frequency 5 x 1017 s-1 is nearly:

λ=h momentum ∴ momentum =hλ=h×vc ∴ momentum =6.6×10−34×5×10173.0×108 =1.1×10−24kgmsec−1

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The momentum of a photon of frequency 5 x 10¹⁷ s^-1 is nearly:

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3.33 x 10^-43 kg m s^-1

2.27 x 10^-38 kg m s^-1

1.1 x 10^-24 kg m s^-1

2.27 x 10^-40 kg m s^-1

answer is A.

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$λ = \frac{h}{momentum} ∴ momentum = \frac{h}{λ} = \frac{h \times v}{c} ∴ momentum = \frac{6 .6 \times 10^{- 34} \times 5 \times 10^{17}}{3 .0 \times 10^{8}} = 1 .1 \times 10^{- 24} kgm \sec^{- 1}$

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The momentum of a photon of frequency 5 x 10¹⁷ s^-1 is nearly: