Physics Instrument used to study the behaviour of a vibrating string is : Sonometer Hydrometer Barometer Hygrometer Sonometer Hydrometer Barometer Hygrometer ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Become 4 times Is also doubled Becomes 1/4 th Becomes half Become 4 times Is also doubled Becomes 1/4 th Becomes half ANSWER DOWNLOAD EXAMIANS APP
Physics Solids which conduct electricity at higher temperature but not at lower temperature are called Semi-conductor Super-conductor Insulator Metallic-conductor Semi-conductor Super-conductor Insulator Metallic-conductor ANSWER DOWNLOAD EXAMIANS APP
Physics The spring balance works on the principle of ________ . Bernoulli's principle Pascal's Law Hooke's Law Boyle's Law Bernoulli's principle Pascal's Law Hooke's Law Boyle's Law ANSWER DOWNLOAD EXAMIANS APP
Physics A mass of 20 kg is at a height of 8 m above the ground. Then the potential energy possessed by the body is: [Given g = 9.8 m/s2] 1568 J 1568 N 1568 W 1568 C 1568 J 1568 N 1568 W 1568 C ANSWER DOWNLOAD EXAMIANS APP
Physics A cyclist leans inwards when he is negotiating a curve so that Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle His weight may be reduced He may increase his speed Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion. No frictional force may be produced between the wheels and the axle His weight may be reduced He may increase his speed ANSWER DOWNLOAD EXAMIANS APP