If a diffraction grating has 3700 lines per cm, what is the spacing d between lines
1 answer:
So first we find the gap between the slits by the formula d=1/N
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Answer:
1 joule = 0.737 foot-pound
Joule is the unit of work.
1 J = 1 N·m
In SI units
1 J = 1 kg· m/s²
0.737 foot-pound is the amount of work to raise 0.737 pounds one foot or raising one pound to 0.737 ft.
Wood is a poor conductor and therefore a good insulator keeping heat inside
Destructive interference occurs when path difference = ½-integer
multiple of the wavelength i.e. Minima in diffraction pattern given by,
= ! +
# λ = !1 +
# λ = 3λ/2
m
The answer is
C. periodic fluctuations in the intensity if sound waves.
