class 11 physics chapter I

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

• Real

• Virtual

• Inverted

• Both (1)and (3)

Which equation related to ohm's law?

• V=IR

• R=V/I

• I=V/R

• All of the above

Which mirror has a wider field of view?

• Convex

• Concave

• Plane

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

When light is available which image is formed.

• Real

• Virtual

• Erect

Reflection of light have___laws.

• 1

• 2

• 3

• 4

____ is one of the best reflectors of light.

• Gold

• Silver

• Brass

• Aluminium