Question 382: Dual Nature of Matter and Radiation

Question

In which of the following photoelectric effect is not observed?

Accepted Answer

The phenomenon of photoelectric effect is generally observed in the elements whose threshold energy is low. So, only group I elements of periodic table shows this effect. Hence, magnesium does not show photoelectric effect.

Answer

Potassium

Answer

Rubidium

Answer

Magnesium

Answer

Cesium

Dual Nature of Matter and Radiation

In which of the following photoelectric effect is not observed?

Choose the correct answer: