Problem: A) Which metals exhibit the photoelectric effect for light with λ  = 400nm?A. sodiumB. copperC. goldB) Which metals exhibit the photoelectric effect for light with λ =250 nm?A. goldB. ironRefer to the table below.

FREE Expert Solution

The energy of a quantised light is expressed as:

E=hcλ, where h is the Plank's constant and c is the speed of light in a vacuum. 

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Problem Details

A) Which metals exhibit the photoelectric effect for light with λ  = 400nm?

A. sodium

B. copper

C. gold

B) Which metals exhibit the photoelectric effect for light with λ =250 nm?

A. gold

B. iron

Refer to the table below.

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