Questions

Kaleidoscope was invented by ________.

The first large scale electrical air conditioning was invented and used in 1902 by

The liberation of oxygen during photosynthesis is due to __________

Who developed the theory of Evolution?

A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/sq.s)

Find the acceleration (in m/s2) of a body which accelerates from 10 m/s to 20 m/s in 4 seconds.

The shape of the outer part of the ear is like a __________.

Which one of the following is a good electrical conductor?