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borishaifa [10]
3 years ago
7

Which of the following is not an example of energy transmission by waves? sound ripples on a pond an apple falling from a tree l

ight
Physics
2 answers:
Snezhnost [94]3 years ago
8 0

Answer: the  answer is  c  I think   :)

Explanation: please like if it helped you out

Bingel [31]3 years ago
3 0

Answer:

an apple falling from a tree light.

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The Doppler effect occurs when a source of sound or light
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3 years ago
What are one of the main uses of this device ?<br><br> anwser A
Inessa [10]

One of the main uses of this device is to test a beam of charged particles

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The cathode ray tube determines the charge flowing in a gas. When an electric field is set up using metal electrodes, the cathode ray tends to bend towards the positive electrode.

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Thus, one of the main uses of this device is to test a beam of charged particles.

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7 0
2 years ago
Theo made a list of the properties of electromagnetic waves. Identify the mistake in the list. Electromagnetic Wave Properties 1
lapo4ka [179]

Answer:

Line 3 has a mistake.

Explanation:

Electromagnetic waves consist of oscillations of electric and magnetic fields that oscillate perpendicular to the each other. Therefore, Line 1 is correct.

Also, the fields in an electromagnetic waves oscillate perpendicular to the direction of propagation of the wave: therefore, they are transverse waves. So Line 2 is also correct.

Electromagnetic waves, contrary to mechanical waves, do not need a medium to propagate: so, they can also travel through a vacuum. Therefore, Line 3 is wrong.

Finally, all electromagnetic waves travel through a vacuum at the same speed, called speed of light:

c=3\cdot 10^8 m/s

So, Line 4 is also correct.

3 0
3 years ago
Read 2 more answers
I’m steel, the solvent is And the solute is. .
sleet_krkn [62]
Iron is the solvent and carbon is the solute.
8 0
3 years ago
Does changing amplitude, wavelength or frequency play a role in how bluetooth acts?
Mandarinka [93]

Answer:

Yes

Explanation:

Yes, bluetooth devices work in a frequency range between 2.4 - 2.485GHz. Outside this frequency the devices will not communicate with each other correctly. This frequency equals a wavelength of around 1cm. Therefore, any change in the amplitude or wavelength would need to be in relation to each other in order to maintain the frequency in the required range for the bluetooth device to work accordingly. If one increases while the other remains the same it can easily change the frequency to outside the range.

3 0
3 years ago
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