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SpyIntel [72]
3 years ago
9

Which latitude receives the most direct rays of the sun year round

Physics
1 answer:
Pie3 years ago
8 0

Zero latitude gets the most direct sun all year around. That's the equator.

The picture you attached has nothing to do with this question.

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b

Explanation:

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In order to waken a sleeping child, the volume on an alarm clock is doubled. Under this new scenario, how much more energy will
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If a lamp has a resistance of 50 ohms and is operated by a p.d. of 10V, find the current flowing through it
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Two loudspeakers in a 20c room emit 686 hz sound waves along the x-axis.a. if the speakers are in phase, what is the smallest di
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<u>Answer :</u>

(a) d = 0.25 m

(b) d = 0.5 m

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It is given that,

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(1) Perfectly destructive interference occurs when the path difference is half integral multiple of wavelength i.e.

d=\dfrac{\lambda}{2}........(1)

Velocity of sound wave is given by :

v=f\times \lambda

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Hence, when the speakers are in phase the smallest distance between the speakers for which the interference of the sound waves is perfectly destructive is 0.25 m.

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Let n = 1

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d=0.5\ m

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