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Question
Planck's constant is 6.6 × 10-34 Js. The momentum of each photon is given radiation Is 3.3 × 10-29 kg/s. The λ of radiation is ______.
Options
2 × 1010 m
2 × 107 m
2 × 105 m
2 × 10-5 m
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Solution
Planck's constant is 6.6 × 10-34 Js. The momentum of each photon is given radiation Is 3.3 × 10-29 kg/s. The λ of radiation is 2 × 10-5 m.
Explanation:
`lambda = "h"/"p"`
`= (6.6 xx 10^-34)/(3.3 xx 10^-29)`
`= 2 xx 10^-5`m
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