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Darina [25.2K]
4 years ago
15

What happens to an electromagnetic wave when the frequency is doubled?

Physics
1 answer:
Artist 52 [7]4 years ago
4 0
The product of (frequency) times (wavelength) is always
the same number (the speed of the wave). 

So if the frequency is doubled, the wavelength has to drop to
half of what it was, in order to keep their product constant.
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You are on a rooftop and you throw one ball straight down and another straight up. The second ball, after rising, falls and also
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Answer:

2 the speed of the second ball is larger than that of the first one

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3 years ago
Charge q1 is distance r from a positive point charge Q. Charge q2=q1/3 is distance 2r from Q. What is the ratio U1/U2 of their p
worty [1.4K]

We have that The ratio U1/U2 of their potential energies due to their interactions with Q is

  • U1/U2=6
  • U1/U2=6

From the question we are told that

Question 1

Charge q1 is distance r from a positive point charge Q.

Question 2

Charge q2=q1/3 is distance 2r from Q.

Charge q1 is distance s from the negative plate of a parallel-plate capacitor.

Charge q2=q1/3 is distance 2s from the negative plate.

Generally the equation for the potential energy  is mathematically given as

U=\frac{-k*qQ}{r}

Therefore

The Equations of U1 and U2 is

For U1

U1=\frac{-k*q_1Q}{r}

For U2

U2=\frac{-k*q_1Q}{3*2r}

Since

U is a function of q and  q2=q1/3

Therefore

U1/U2=6

For Question 2

For U1

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Therefore

U1/U2=6

For more information on this visit

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