The cathode rays can be deflected- 

Which of the following is desirable aim of Science Education at Primary Level?

Cooking vessels have wooden or bakelite handles because–

Burns caused by steam are much more severe than those caused by boiling water because-

Which of the following grain was first used by human?

Optical Fiber works on the principle of

_______________ is not a type of heat transfer.

In an electric circuit, Rheostat is often used to change the _____ in the circuit.