Problem: Find the velocity of an electron emitted by a metal whose threshold frequency is 2.25×1014 s-1 when it is exposed to visible light of wavelength 5.00×10−7 m.

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FREE Expert Solution

Photoelectric effect occurs when photons (light) with enough energy hit the surface of a metal electrons are emitted. When dealing with photoelectric effect, we will use the following equation:

Calculate Etotal from the light using the energy equation:

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Problem Details

Find the velocity of an electron emitted by a metal whose threshold frequency is 2.25×1014 s-1 when it is exposed to visible light of wavelength 5.00×10−7 m.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Photoelectric Effect concept. You can view video lessons to learn Photoelectric Effect. Or if you need more Photoelectric Effect practice, you can also practice Photoelectric Effect practice problems.

What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Holton's class at UCI.