Q7 Describe two types of atomic change that produce electromagnetic waves.

1 answer:

Crank2 years ago

7 0

When a neutron or a proton in the nucleus changes a gamma ray is produced (gamma rays are electromagnetic waves)

When an electron drops from a higher energy level to a lower energy level an electromagnetic wave is give off.

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4. ________ have a positive charge

xz_007 [3.2K]

A proton has positive charge of 1, that is, equal but opposite to the charge of an electron. A neutron, like the name implies, is neutral with no net charge. The charge is believed to be from the charge of the quarks that make up the nucleons (protons and neutrons).

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2 years ago

jolli1 [7]

Answer: PAPPER:D

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A wave with a frequency of 500hz is traveling at a speed of 1000m/s whats the wavelength?

Nimfa-mama [501]

The answer would be 0.4m

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1 year ago

A particle of mass 2 g travel a distance of 12 m in a time travel of 2 minute assuming the speed was constant find its kinetic e

balandron [24]

Answer:

0.00001 J

Explanation:

$k.e = \frac{1}{2} m {v}^{2} \\ = \frac{1}{2} (0.002) { ( \frac{12}{120} )} ^{2} \\ = 0.00001j$

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2 years ago

Help pls asap , i do not get it , I’ll name you the brainliest

34kurt

We know, velocity = Displacement/Time

Therefore, Displacement= Velocity×Time

Here, displacement= 20×5 m = 100 m

Answer: 100 m

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2 years ago