Reflection of Light grade 9

Front

Name the types of reflection seen

Back

regular/irregular

Front

A light ray is incident normally on a reflecting surface. The angle of reflection is

Back

0, zero, 00

Front

An image which cannot be obtained on a screen is called a __________ image

Back

virtual

Front

An object is at a distance of 25 cm in front of a plane mirror. The mirror is shifted 5 cm away from the object. Find the new distance between the object and its image.

Back

60 cm

Front

When an object is kept between two mirrors parallel to each other, the number of images formed is

Back

infinite

Front

Number of images formed when an object is placed between two mirrors kept perpendicular to each other.

Back

3

Front

Three mirrors inclined at an angle of 60⁰ is used in a

Back

kaleidoscope

Front

The inner side of a spherical mirror is the reflecting surface. The mirror is a _________ mirror.

Back

concave

Front

The image formed by a spherical mirror is upright and diminished. The mirror is

Back

convex, convex mirror

Front

The image formed by a mirror is upright and magnified. The mirror is

Back

concave