Question

it is found that yellow light does not eject photoelectron from a metal. Is it advisable to try with orange light? and with green light

Answer 1

Orange light has lesser energy than yellow light. If yellow light couldn't eject a photoelectron, Orange light can't do it either.

Green light has higher energy than yellow light. So yes, you can try with green light.

Answer: Green is advisable, but not Orange.

Answer 2

As the frequency of orange glow or light is lower than the yellow light frequency, it will therefore not be able to remove photoelectrons from the surface of the metal.

Explanation:

• Photoelectrons are released from the surface of a metal if the incident radiation frequency is greater than the threshold frequency of the surface metal in consideration.
• Because yellow light does not expel photoelectrons from a metal it means that the metal's threshold frequency is greater than the yellow light frequency.
• As the frequency of orange glow or light is lower than the yellow light frequency, it will therefore not be able to remove photoelectrons from the surface of the metal.
• The green light frequency is higher than the yellow light frequency. Then it can expel electrons from the metal when it is incident on the surface metal.

To know more about photoelectron, visit:

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