50 : 18
25 : 9
3 : 5
5 : 3
The internal resistance of all milliammeter must be very low for
The internal resistance of the voltmeter must be very high in order to have
The ISI mark on an electrical appliance ensures that the _.
The isotope of Uranium used in atomic reactors is
The isotope used for the production of atomic energy is
The known forces of nature can be divided into four classes, viz, gravity, electromagnetism, weak nuclear force and strong nuclear force. With reference to them, which one of the following statements is not right?
The Laser is a beam of radiations which are
The latent heat of fusion of ice is _ cal/g.
The law of definite proportions was stated by
The law which states that wave-length of maximum radiation is inversely proportional to the absolute of the emitting body is known as
