Man Made Sources of Light

IMPORTANT

Man Made Sources of Light: Overview

This Topic covers sub-topics such as Laser Lights and Neon Lights

Important Questions on Man Made Sources of Light

MEDIUM
IMPORTANT

What is the advantage of laser light?

EASY
IMPORTANT

_____ light is used in cancer therapy.

EASY
IMPORTANT

Neon gas is used in glowing signboards.

EASY
IMPORTANT

Unscramble the words given below to find the sources of light.
DANCLE: _____

EASY
IMPORTANT

List a few examples for luminous objects?

EASY
IMPORTANT

A ruby laser produces of wavelengths, 662.6 nm in pulse whose duration are 10-9 s. If the laser produces 0.39 J of energy per pulse, how many photons are produced in each pulse?

MEDIUM
IMPORTANT

A laser beam is used for carrying out surgery because it