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askiitians.com0Home » Forum » Wave Optics » A parallel beam of blue light 420 nm is...A parallel beam of blue light 420 nm is incident on a small aperture.After passing through the aperture the beam is no longer parallel but diverges at 1 degree of incident direction.What is diameter of aperture? a)30 micr m b)15 c)24 d)3418 hours agoAnswers : (1)Dear student, w =.lamda/sim@ = 420 * 10^-9 / sin(pi/180)= 24 micro m RegardsArun (askIITiansn forum expert) sir can u plz tell me from where this formula come?

askiitians.com0Home » Forum » Wave Optics » A parallel beam of blue light 420 nm is...A parallel beam of blue light 420 nm is incident on a small aperture.After passing through the aperture the beam is no longer parallel but diverges at 1 degree of incident direction.What is diameter of aperture? a)30 micr m b)15 c)24 d)3418 hours agoAnswers : (1)Dear student, w =.lamda/sim@ = 420 * 10^-9 / sin(pi/180)= 24 micro m RegardsArun (askIITiansn forum expert) sir can u plz tell me from where this formula come?

Grade:11

1 Answers

Saurabh Koranglekar
askIITians Faculty 10341 Points
one year ago
Dear student

Please write the Question in a standard and complete form or attach an image of the question

Regards

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