Advertisements
Advertisements
प्रश्न
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 :
विकल्प
70°
30°
35°
90°
Advertisements
उत्तर
35°
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.
Fill in the blank
A ________ image cannot be obtained on a screen.
What is meant by lateral inversion of an image in a plane mirror? Explain it with the help of a ray diagram.
Why is it difficult to read the image of the text of a page formed due to reflection by a plane mirror?
Prove experimentally that images are formed as far behind in a plane mirror as the object is in front of it.
Calculate the number of images formed in two plane mirrors, when they are held at the angle of (i) 72° (ii) 36°.
Draw a neat two ray diagram for the formation of images in two plane mirrors, when mirrors are at right angles to each other.
A boy stands 4 m away from the plane mirror. If the boy moves `1/2` m towards the mirror, what is now the distance between the boy and his image? Give a reason for your answer.
An insect is sitting in front of a plane mirror at a distance of one meter from it.
- Where is the image of insect formed?
- What is the distance between insect and its image?
- State any two characteristics of image formed in a plane mirror.
