Physics A solid ball of metal has a spherical cavity inside it. When the ball is heated the volume of the cavity will Decrease Remain unaffected Have its shape changed Increase Decrease Remain unaffected Have its shape changed Increase ANSWER DOWNLOAD EXAMIANS APP
Physics If density of oxygen is 16 times that of hydrogen, what will be their corresponding ratio of velocity of sound? 0.044444444444444 0.052777777777778 0.16736111111111 0.084027777777778 0.044444444444444 0.052777777777778 0.16736111111111 0.084027777777778 ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following was the first theory of superconductivity? Quantum field theory Resonating valence bond theory London theory Ginzburg Landau theory Quantum field theory Resonating valence bond theory London theory Ginzburg Landau theory ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a device designed to protect electrical devices from voltage spikes? Voltage unloader Surge protector Current unloader Heat protector Voltage unloader Surge protector Current unloader Heat protector ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound is more in Air Steel Wood Water Air Steel Wood Water ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not caused by atmospheric refraction of light ? Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night Sun appearing higher in the sky than it actually is Sun appearing red at sunset Sun becoming visible two or three minutes before actual sunrise Twinkling of stars at night ANSWER DOWNLOAD EXAMIANS APP
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