Physics Mercury is commonly used as a thermometric fluid rather than water because mercury has greater visibility than water density of mercury is more than the water specific heat of mercury is less than water specific heat of mercury is more than water mercury has greater visibility than water density of mercury is more than the water specific heat of mercury is less than water specific heat of mercury is more than water ANSWER DOWNLOAD EXAMIANS APP
Physics A body of 4.0 kg is lying at rest. Under the action of a constant force, it gains a speed of 5 m/s. The work done by the force will be ________ 20 J 50 J 30 J 40 J 20 J 50 J 30 J 40 J ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic brakes in automobile work on Archimedes' principle Pascal's principle Poiseuille's principle Bernoulli's principle Archimedes' principle Pascal's principle Poiseuille's principle Bernoulli's principle ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Increase Remain constant Will increase first and then dcrease Dacrease Increase Remain constant Will increase first and then dcrease Dacrease ANSWER DOWNLOAD EXAMIANS APP
Physics The group of solar cells joined together in a definite pattern is called a Solar cell panel Battery Solar cooker Solar heater Solar cell panel Battery Solar cooker Solar heater ANSWER DOWNLOAD EXAMIANS APP
Physics The centre of gravity of a sprinter during the race lies At the centre of the body To the left side of the body Ahead of his feet Behind his feet At the centre of the body To the left side of the body Ahead of his feet Behind his feet ANSWER DOWNLOAD EXAMIANS APP