The metal mainly used in devising photoelectric cells is:

  • A
    $Na$
  • B
    $Rb$
  • C
    $Li$
  • D
    $Cs$

Explore More

Similar Questions

Which element in group $IA$ (Alkali metals) exhibits the highest chemical reactivity?

The aqueous solutions of lithium salts are poor conductors of electricity compared to other alkali metals because of:

What happens when : $(i)$ sodium metal is dropped in water? $(ii)$ sodium metal is heated in free supply of air? $(iii)$ sodium peroxide dissolves in water?

Difficult
View Solution

Which of the following elements does not occur in liquid form at room temperature?

Which one of the following will react most vigorously with water?

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo