Advertisements
Advertisements
प्रश्न
Identify the following kind of beam of light.
Advertisements
उत्तर
A parallel beam of light
APPEARS IN
संबंधित प्रश्न
Write true or false of the following statement.
When a light ray is reflected from a wall, the angle of incidence is not equal to the angle of reflection.
Select the correct alternative
The angle between the incident ray and the ray reflected from the plane mirror is 70°. The angle of incidence will be :
Draw a diagram to show the reflection of a light ray incident normally on a plane mirror.
How is the position of an image related to the position of the object?
How many images are formed for a point object kept in between two plane mirrors at right angles to each other? Show them by drawing a ray diagram.
State the mirror formula for the formation of total number of images formed in two plane mirrors, held at an angle.
Calculate the number of images formed in two plane mirrors, when they are held at the angle of (i) 72° (ii) 36°.
What must be the minimum length of a plane mirror in which a person can see himself full length? Draw a diagram to justify your answer. Does the distance of a person from the mirror affect the above answer?
