Physics class 10th

____ is one of the best reflectors of light.

• Gold

• Silver

• Brass

• Aluminium

Reflection of light have___laws.

• 1

• 2

• 3

• 4

When light is available which image is formed.

• Real

• Virtual

• Erect

If an object is placed at a distance of 10 cm in front of a plane mirror how far would it be from its image.

• 10cm

• 20cm

• 30cm

• 40cm

Which mirror has a wider field of view?

• Convex

• Concave

• Plane

Which equation related to ohm's law?

• V=IR

• R=V/I

• I=V/R

• All of the above

When an obj is placed at focus then which type of image is formed?

• Real

• Virtual

• Inverted

• Both (1)and (3)

A ray of light is incident on a plane mirror at an angle of 30°.what is the angle of refrection?

• 10°

• 20°

• 30°

• 40°

Which type of image formed by plane mirror?

• Same size

• Erect

• Virtual

• All of the above

Real image is always

• Erect

• Real

• Inverted

• Virtual