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3 years ago

A grating has 460 rulings/mm. What is the longest wavelength for which there is a 6.0th-order diffraction line

Physics

1 answer:

mestny [16]3 years ago

3 0

Answer:

λ = 3.62 x 10⁻⁷ m = 362 nm

Explanation:

The grating equation gives the relationship between the wavelength, the diffraction line order and the diffraction angle. The grating equation is written as follows:

mλ = d Sinθ

where,

m = order of diffraction = 6

λ = longest wavelength = ?

d = 1/(460 rulings/mm)(1000 mm /1 m) = 2.17 x 10⁻⁶ m/ruling

θ = Diffraction angle = 90° (for longest wavelength)

(6)λ = (2.17 x 10⁻⁶ m/ruling) Sin 90°

λ = (2.17 x 10⁻⁶ m/rulings)/6

λ = 3.62 x 10⁻⁷ m = 362 nm

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Answer:

F = 5291.25 N

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2 years ago

You throw a bouncy rubber ball and a wet lump of clay, both of mass m, at a wall. Both strike the wall at speed v, but while the

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Answer:

The fifth option is the correct answer: mv; 2 mv

Explanation:

Change of Momentum

Assume an object has a momentum p1 and after some interaction it now has a momentum p2, the change of momentum is

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$\Delta p=0-mv=-mv$

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The fifth option is the correct answer: mv; 2 mv

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3 years ago

An inductor connects to an AC circuit. If the frequency of the AC oscillations decreases, does the inductance increase, decrease

ASHA 777 [7]

Answer:

The inductance remains constant

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Z = jωL, where Z is the impedance, j is the imaginary unit, ω is the angular frequency, and L is the inductance.

In terms of frequency ω=2π·f, where f is the frequency of the signal.

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2 years ago

An airplane propeller is rotating at 2000 rev/min.

Fudgin [204]

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or approximately 209.44 rad/s.

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