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8090 [49]
3 years ago
8

What is the wavelength of a wave?

Physics
1 answer:
Sunny_sXe [5.5K]3 years ago
6 0
The wavelength is the spatial period of a periodic wave—the distance over which the wave's shape repeats.
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When a wave is acted upon by an external damping force what happens to the energy of the wave
Nimfa-mama [501]

Answer:

A-the energy of the wave decreases gradually

Explanation:

when a wave is acted upon by an external damping force the energy of the wave decreases gradually.

The energy degrades into the form of heat which is considered to be of less value and use. The reason is because it disperses and spreads more widely.

So therefore it end up as heat with a little sound but that is close to none because that too disperses into heat i.e. decreased form of energy.

4 0
3 years ago
Light is emitted by electrons when they drop from one energy level to a lower level. Which transition results in the emission of
natulia [17]

Answer:

Level 4 to level 2

Explanation:

Electrons in an atom are contained in specific energy levels (1, 2, 3, and so on) having different distances from the nucleus. When light is emitted by electrons from one energy level to a lower level, level 4 to level 2 has the greatest energy.

Hence, the correct option is "Level 4 to level 2".

3 0
3 years ago
Is it accurate to describe the physical universe as composed of only matter and energy?
Dennis_Churaev [7]
Yes, it is <span>accurate to describe the physical universe as composed of only matter and energy. Some people might argue about the dark matter, but it is not yet defined properly. Different universes can be made up of different compositions but it is a fact that our universe is made of matter and energy. </span>
7 0
3 years ago
Read 2 more answers
One property that makes electromagnetic waves differ from other types of waves is that they can
Flauer [41]
travel through a vacuum at the speed of light. Other waves need a medium; sound waves need molecules that vibrate.
5 0
3 years ago
What is the wavelength of microwave of 3 x 10 9 Hz frequency?
jok3333 [9.3K]

The wavelength of a microwave of 3 x 10^9 Hz frequency is 0.1 m.

The wavelength of a microwave of 3 x 10^9 Hz frequency is calculated using the equation λ = c/f, where λ is the wavelength, c is the speed of light, and f is the frequency.

The speed of light is approximately 3 x 10^8 m/s. Therefore, the wavelength of a microwave of 3 x 10^9 Hz frequency can be calculated as follows:

λ = 3 x 10^8 m/s/3 x 10^9 Hz

= 0.1 m.

Therefore,the wavelength of a microwave of 3 x 10^9 Hz frequency is 0.1 m.

Microwaves are electromagnetic waves that have a frequency between 300 MHz to 300 GHz and a wavelength from 1 mm to 1 m. Microwaves have a variety of uses, including communications, radar, and cooking. Microwave radiation is absorbed by water, fats, and sugars, which is why it is used for cooking.

The frequency of a microwave is usually expressed in megahertz (MHz) or gigahertz (GHz). One megahertz is equal to one million hertz and one gigahertz is equal to one billion hertz. The frequency of a microwave determines its wavelength; the higher the frequency, the shorter the wavelength.

Learn more about electromagnetic waves at :brainly.com/question/3101711

#SPJ4

8 0
11 months ago
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