An opaque object________
air
wood
water
transparent glass

A transparent object_________ air wood iron wall

Water glass is

What is angle of contact? Write its value in case of water and transparent glass.

What is angle of contact? Write its value in case of water and transparent glass.

What is water glass

What is water glass ?

When a ray of light is incident perpendicularly on a transparent glass slab, what will be its angle of deviation?

Show that for an object lying under a parallel glass slab, the apparent displacement of its image in the observer's direction does not depend on the position of the object.

Movement of Amoeba in response to current of air and water is termed as