EASY
Earn 100

Define ray of light.

Important Questions on Light

EASY
What is the full form of i and r? What is the relation between them?
EASY
A ray of light is incident on a plane mirror at an angle of 30°. What is the angle of reflection?
EASY
Name the phenomenon responsible for the following effect:
When we sit in front of a plane mirror and write with our right hand, it appears in the mirror that we are writing with the left hand.
EASY
Define the angle of incidence.
EASY
A ray of light is incident normally (perpendicularly) on a plane mirror. Where will this ray of light go after reflection from the mirror?
EASY
What is the angle of reflection when a ray of light is incident normally on a plane mirror?
EASY
What is lateral inversion? Explain with the help of an example.
EASY
What is the angle equal to 90° minus the angle between the mirror and the incident ray called?
EASY
An incident ray makes an angle of 75° with the surface of a plane mirror. What will be the angle of reflection?
EASY
What is meant by 'reflected ray'?
EASY
What is 'normal' in the reflection of light from a plane mirror?
EASY
What is the angle of incidence when a ray of light is incident normally on a plane mirror?
EASY
What is meant by 'incident ray'?
EASY
Define the angle of reflection.
MEDIUM

Study the given figure. It shows a wall and two plane mirrors. Aman is standing behind the wall. From the mirrors, he is able to see Akshat. At which of the following positions is Akshat standing?

Question Image

EASY
What is the angle of incidence of a ray of light if the reflected ray is at an angle of 90° to the incident ray?
EASY

The angle between the incident ray and the normal is called _____.
(Choose one of the following: angle of incidence/ angle of refraction/ angle of emergence).

EASY
What is the ray of light falling on a polished surface called?
EASY
How many reflected rays can there be for a given single incident ray falling on a plane mirror?
EASY
What do you understand by the term 'point of incidence'?