Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Remain unaffected Increase Have its shape changed Decrease Remain unaffected Increase Have its shape changed Decrease ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of measurement of noise is Hertz Amplifier Acoustics Decibel Hertz Amplifier Acoustics Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics The device which transfer the signal from low resistance region to high resistance region is Transistor Diode Inductor Capacitor Transistor Diode Inductor Capacitor ANSWER DOWNLOAD EXAMIANS APP
Physics What is the SI unit of intensity of sound? Decibel Tesla Heartz Newton Decibel Tesla Heartz Newton ANSWER DOWNLOAD EXAMIANS APP
Physics The pressure exerted by a 760 mm column of mercury at 0°C is known as 1 bar 1 pascal 1 atmosphere 1 poise 1 bar 1 pascal 1 atmosphere 1 poise ANSWER DOWNLOAD EXAMIANS APP
Physics A stone is dropped from the roof of a house towards the ground. The kinetic energy of the stone will be maximum: When it touches the ground Just before it touches the ground Just after it is dropped When it is just on the half-way When it touches the ground Just before it touches the ground Just after it is dropped When it is just on the half-way ANSWER DOWNLOAD EXAMIANS APP