What is the use or importance of the ozone layer?

  • A
    It prevents ultraviolet radiation from reaching the Earth.
  • B
    It reduces the greenhouse effect.
  • C
    It reflects radio waves.
  • D
    It controls the $O_2/H_2$ ratio.

Explore More

Similar Questions

Which of the following electromagnetic waves has the lowest frequency?

If $\lambda = 10 \mathring A$,then it corresponds to

Write a short note on light.

One requires $11 \ eV$ of energy to dissociate a carbon monoxide molecule into carbon and oxygen atoms. The minimum frequency of the appropriate electromagnetic radiation to achieve the dissociation lies in

If ${\lambda _v}$,${\lambda _x}$,and ${\lambda _m}$ represent the wavelengths of visible light,$X$-rays,and microwaves respectively,then:

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