MEDIUM
Earn 100

Prove by experiment that the light travels in a straight line.

Important Questions on Light, Shadows and Reflections

MEDIUM
Why is the ratio of the velocities of light of wavelengths 4000 Å & 8000 Å in vacuum 1:1? Which of the above wavelengths has a higher frequency?
EASY

What do you understand by monochromatic light and polychromatic light?

MEDIUM
Rectilinear propagation of light means;
EASY
A group of rays that travel together is called a _____ of light.
EASY
Select the correct statement(s) regarding "Light".
EASY
Bouncing of light off an object is called _____.
EASY
When you look through a curved pipe, you cannot see a candle placed at the other end because _______.
EASY
What do you understand by the term reflection of light? Name two objects which can reflect light.
EASY
 A beam of light consists of several rays.
EASY
A shining metal spoon is a plane mirror.
MEDIUM
How will you prove that light travels in a straight line?
EASY
The property of light travelling in a straight line is known as:
EASY
What do you mean by rectilinear propagation of light?
EASY

The property of light travelling in a straight line is referred to as _____ propagation of light.

(Choose from the following: rectilinear / curvilinear)

EASY

The tendency of light to travel in a straight line is called _____ of light.

(Choose from the following: rectilinear propagation/curvilinear propagation)