When an object moves closer to a light source, its shadow...

Anushka put some tea into four cups made up of paper, glass, metal & porcelain. Which cups will allow her to see the level of tea clearly

A plane mirror forms a

A device containing two plane mirror which gives us a higher view than a normal is

There is light on the Earth even on a dark, cloudy day. This is because clouds are:

The sun in the early morning can cause buildings to form shadows. This shadow will be:

_________ is the colour of the shadow formed when object is white in colour

A man is sitting on a chair in a dark room near one of the walls. A big mirror is hung on the wall facing the man. When a torch light is put on the man from a distance, then we can see 'X' of the man behind him. At the same time, 'Y' can be observed in the mirror of the wall.

Identify X, Y

How are the two mirrors in a periscope arranged with respect to :

a) each other

b) ends of the tube

Which of the following does not have light of its own?

Which of the following is not a characteristic of a virtual image formed on the screen?