Which of the following statements about kinetic theory of...
Which of the following statements about kinetic theory of matter is not correct?
The molecules of matter are always in motion
When a body is heated the average kinetic energy of its molecules decreases
Molecules of a liquid move more freely than those of a solid
Matter is made up of very tiny particles called molecules
The molecules of a gas move more freely than those of a liquid
Correct answer is B
No explanation has been provided for this answer.
An atom is normally electrically neutral because the ...
The force with which an object is attracted to the earth is called its ...
The activity of a radioactive substance depends on ...
When impurities are added to semi-conductors, the conductivity of the semi-conductor ...
The energy of a photo having a wavelength of 10-10m is (h= 6.63 x 10 -34Js, c =3.0 x 10 8ms-1)...
The mercury column in the barometer at notational atmospheric pressure has a height of? ...
From the diagram above, calculate the total current in the circuit ...