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ruslelena [56]
3 years ago
6

When describing electromagnetic radiation, there is a(n) _____________ relationship between wavelength and frequency and the gre

ater the frequency, the ____________ energy the electromagnetic radiation has.
A) direct; less

B) direct; more

C) inverse; more

D) inverse; less

Physics
2 answers:
Natalija [7]3 years ago
8 0

Answer: C. Inverse; more

Explanation:

An electromagnetic radiation can be described by it wavelength or frequency or energy. These are related by:

c = λ f

where, c is the speed of light, λ is the wavelength of the light and f is the frequency.

E = h f

where E is the energy, h is Planck's constant and f is the frequency.

Thus, there is inverse relation between wavelength and frequency. As speed of light is constant in a given medium, with increase in frequency, wavelength decreases.

There is direct relationship between energy and frequency.

When frequency increases, Energy increases. Thus, greater the frequency, greater energy the electromagnetic radiation has.

disa [49]3 years ago
6 0

Its actually C. I did the question on USA test prep and it said the correct answer was C.


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a ball is projected horizontally from the top the building.One second later another ball is projected horizontally from the same
stellarik [79]

The point In the motion that the balls will be closest to each other is as at the time as the second ball is thrown or lunched.

<h3>Will the first ball always be travelling faster than the second ball?</h3>

No, The two motions are said to be parallel to one another, so they that they both the same timing. Hence, the time it takes for both balls to be able to fall to the ground is said to be the same.

Yes, the both balls have the same speed because of  two balls are said to hit the ground, they are said to be done at the same height as well as the same energy and so they have the same speed.

Note that balls will take about 2 seconds to be able to hit the ground.

The horizontal projection velocity of the second ball can be changed so that the balls arrive at the ground at the same time and so the balls will be closest to one another if the second ball is thrown.

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1 year ago
Which two statements are true about a system?
shusha [124]
A and c

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4 0
3 years ago
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The image shows water passing through a barrier.
zloy xaker [14]

It is diffraction

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The opening is the aperture

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3 years ago
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Is an object speeding up or slowing down of the V final is greater than the V initial?
sertanlavr [38]

Answer:

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7 0
3 years ago
A flat coil of wire consisting of 15 turns, each with an area of 40 cm 2, is positioned perpendicularly to a uniform magnetic fi
zheka24 [161]

Answer:

0.54 A

Explanation:

Parameters given:

Number of turns, N = 15

Area of coil, A = 40 cm² = 0.004 m²

Change in magnetic field, ΔB = 5.1 - 1.5 = 3.6 T

Time interval, Δt = 2 secs

Resistance of the coil, R = 0.2 ohms

To get the magnitude of the current, we have to first find the magnitude of the EMF induced in the coil:

|V| = |(-N * ΔB * A) /Δt)

|V| = | (-15 * 3.6 * 0.004) / 2 |

|V| = 0.108 V

According to Ohm's law:

|V| = |I| * R

|I| = |V| / R

|I| = 0.108 / 0.2

|I| = 0.54 A

The magnitude of the current in the coil of wire is 0.54 A

6 0
3 years ago
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