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Umme Asked a Question
August 11, 2020 7:51 pmpts 30 pts
Consider the light beam corning form a ImW He- Ne laser source. How many photons are there in I meter length of the beam?
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  • Ravi prakash yadav thankyou
    see the attachment. no of photons emitted per second is known to us. Now,no of photons in 1m length of beam=(3.18×10^15×1)/3×10^8=10600000
    • cropped4334779540762938981.jpg
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  • Ruby negi
    seee this...
    • cropped1978625281.jpg
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