defence exam Agniveer Vayu Group X & XY Mock Test 01/2026 Physics Optics Diffraction

Light is incident normally on a diffraction grating having 6000 lines/cm. Third order line is observed at an angle of 60°. What is the wavelength of light?

1
4811 Å
2
4700 Å
3
5000 Å
4
None
Share: WhatsApp Telegram X

Sponsored

hivanix.in

Visit

This quiz is brought to you by hivanix.in

🌐 Web App Development

Other Tools: chatwiz.hivanix.in mmspace.hivanix.in unogame.hivanix.in

Quick Navigation

Home

Subjects

Chapters