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tester [92]
3 years ago
14

Light of wavelength 600 nm illuminates a diffraction grating. The second-order maximum is at angle 39.2. How many lines per mill

imeter does this grating have?
Physics
1 answer:
vfiekz [6]3 years ago
4 0

Answer:

Diffraction equation applies in this case:

d*Sin x = m*wavelength, where d = spacing of lines, x = angle = 39.5°, m = order of maximum = 2

Substituting;

d* Sin 39.5 = 2*600*10^-9

d = (2*600*10^-9)/Sin 39.5 = 1.88656*10^-6 m

In 1 mm (or 0.001 m), the number of lines is given as;

Number of lines = 0.001/d = 0.001/(1.88656*10^-6) = 530.065 ≈ 530 lines

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7 0
2 years ago
Calculate the kinetic energy of a 4.00kg object traveling at 16.0 m/s
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3 0
3 years ago
Read 2 more answers
4. During which three months is the difference the same between average high temperature and average low temperature?
kkurt [141]

Answer:

1 Inch and 20 F

Explanation:

6 0
3 years ago
A circular plate of 500-mm diameter is maintained at T1 = 600 K and is positioned coaxial to a conical shape. The back side of t
drek231 [11]
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For part b)
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3 years ago
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