Physics The point where total mass of a body is supposed to be concentrated is known as Centre of mass Dead centre Centre of gravity Centre of motion Centre of mass Dead centre Centre of gravity Centre of motion ANSWER DOWNLOAD EXAMIANS APP
Physics The period of revolution of a geostationary satellite is 24 hours 365 days 30 days Changing continuously 24 hours 365 days 30 days Changing continuously ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension of which of the following is the same as that of impulse ? Torque Volume Momentum Change in the rate of momentum Torque Volume Momentum Change in the rate of momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of perceived loudness of sound ? Hertz Phon Sone Decibel Hertz Phon Sone Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics The potential difference between the terminals of an electric heater is 60 V when it draws a current of 4 A from the source. What current will the heater draw if the potential difference is increased to 127.5 V ? 0.41666666666667 24 A 8.5 A 0.41666666666667 24 A 8.5 A 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 Dacrease Remain constant Will increase first and then dcrease Increase Dacrease Remain constant Will increase first and then dcrease ANSWER DOWNLOAD EXAMIANS APP
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