light

An example of an opaque object is

• Book

• Glass

• Water

• Air

The branch of physics which deals with the study of light is called.....

• Optics

• Acoustics

• Mechanics

• Statics

Example of a luminous object is

• sun

• book

• wall

• door

The image which form in a mirror is called

• real image

• virtual image

...........kind of beam

• convergent

• divergent

• parallel

Name the type of lens

• plano convex

• double convex

• double concave

• plano concave

The following is an example of

• refraction

• reflection

• dispersion

• polarization

the mirror in which outer surface (bulged surface) is coated is called

• convex mirror

• Concave mirror

• plane mirror

• convex lens

Example of a translucent object is

• tissue paper

• rubber

• board

• door

the path along which the light travels is called

• energy

• speed

• ray

• image