velocity and wavelength are likely to change in the process
- When a wave travels from one medium to another it undergoes a change in direction and this is referred to as refraction.
- Refraction is the bending of a wave or a change in direction of a wave as it travels from one medium to another. Refraction is accompanied by change in velocity and wavelength of a wave
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The electrostatic force between the two charges is ![3.4\cdot 10^{-8}N](https://tex.z-dn.net/?f=3.4%5Ccdot%2010%5E%7B-8%7DN)
Explanation:
The electrostatic force between two charges is given by Coulomb's law:
where:
is the Coulomb's constant
are the two charges
r is the separation between the two charges
In this problem, we have the following data:
is the magnitude of the two charges, where
is the fundamental charge
is the separation between the two charges
Substutiting into the equation, we find the force:
![F=(8.99\cdot 10^9)\frac{(1.00\cdot 1.6\cdot 10^{-19})^2}{(8.19\cdot 10^{-11})^2}=3.4\cdot 10^{-8}N](https://tex.z-dn.net/?f=F%3D%288.99%5Ccdot%2010%5E9%29%5Cfrac%7B%281.00%5Ccdot%201.6%5Ccdot%2010%5E%7B-19%7D%29%5E2%7D%7B%288.19%5Ccdot%2010%5E%7B-11%7D%29%5E2%7D%3D3.4%5Ccdot%2010%5E%7B-8%7DN)
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Transmission electron microscope
Answer:
B) 0.3Hz
Explanation:
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