d*sin(θ) = m*λ
(a)
Now, tan(θ) = (16.25 * 10^-3)/1
θ = 0.931o
Now,
0.04 * 10^-3 * sin( 0.931o) = 1 * λ
λ = 649.93 nm
(b)
If we move the screen closer, the new angle will be θ =
1.861o
So, sin(θ) will increase,
λ is directly proportional to sin(θ),
wavelength λ will increase.
There will be no effect on D1 & D2.
Correct option - (4)
3) The experimental setup and the diffraction pattern from a single slit are given below. The...
A single-slit diffraction pattern (c24p28) A single-slit diffraction pattern is formed when light of = 587.0 nm is passed through a narrow slit. The pattern is viewed on a screen placed one meter from the slit. What is the width of the slit (mm) if the width of the central maximum is 2.43 cm? Submit Answer Incorrect. Tries 2/5 Previous Tries Post Discussion Send Feedback
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