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Vlad1618 [11]
2 years ago
15

Please help meeeee will mark as brainliest​

Physics
1 answer:
Katyanochek1 [597]2 years ago
6 0

Answer:

a) pressure means force acted on a body per unit area

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The human eye can readily detect wavelengths from about 400 nm to 700 nm. part a if white light illuminates a diffraction gratin
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We are given that the wavelength ʎ is from 400 nm to 700 nm. The formula for this is:

d sin a =m * ʎ

where,

d = slit separation = 1 mm / 750 lines = 1/750

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Rewriting the formula in terms of angle a:

a = sin^-1 (m ʎ / d)

 

when ʎ = 0.0004 mm

a = sin^-1 (0.0004 / (1/750))

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when ʎ = 0.0007 mm

a = sin^-1 (0.0007 / (1/750))

a = 31.67°

 

Hence the range of angles is from 17.46° to 31.67<span>°.</span>

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3 years ago
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irina [24]

the scientific study of natural forces such as light, sound, heat, electricity, pressure, etc.

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Two charges q1 and q2 exert a 90 N electrostatic force onto each other when they are 1 m apart. They are moved further away to a
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What are the different types of Energy transformations and Energy Transfers?
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Explanation:

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