Which element from the following is used in p | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) Cesium $(Cs)$ is the element used in photoelectric cells.Explanation: Cesium is the preferred metal for photoelectric cells because it can easily

Vedclass · Accepted Answer

$Cs$

Vedclass · Answer

(C) Cesium $(Cs)$ is the element used in photoelectric cells.Explanation: Cesium is the preferred metal for photoelectric cells because it can easily convert sunlight into electricity.It has a very low ionization energy and is the most electropositive element among the alkali metals.The amount of energy required to eject electrons from a cesium surface is relatively small,only $206.5 \ kJ/mol$.

Which element from the following is used in photoelectric cells?

Similar Questions

Which among the following is used as a source of oxygen in submarines in emergency breathing apparatus?

What are the common physical and chemical features of alkali metals?

When $NaOH$ crystals are left in open air,they acquire a fluid layer around each crystal because:

On heating 'Trona $(Na_2CO_3 \cdot NaHCO_3 \cdot 2H_2O)$' with the help of a Bunsen burner,we get . . . . . . as the solid residue.

Which of the following alkali metals has the least melting point?

Vedclass Test Series

Exam Paper Generator

Online Exam Module