Physics Water pipes in hilly areas often burst on a cold frosty night, because Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break Frost makes the pipes rusty, so they break The material of which pipes are made contracts due to cold and so breaks None of these Water in the pipes freezes and on freezing water expands, so pipes break ANSWER DOWNLOAD EXAMIANS APP
Physics The apparent weight of a man in a lift is less the real weight when : The lift is going down with uniform speed The lift is going up with an acceleration The lift is going down with an acceleration The lift is going up with uniform speed The lift is going down with uniform speed The lift is going up with an acceleration The lift is going down with an acceleration The lift is going up with uniform speed ANSWER DOWNLOAD EXAMIANS APP
Physics Oil rises up the wick in a lamp because Of the diffusion of oil through the wick Of the surface tension phenomenon Oil is very light Of the capillary action phenomenon Of the diffusion of oil through the wick Of the surface tension phenomenon Oil is very light Of the capillary action phenomenon ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is None of these Alpha rays Beta rays Gamma rays None of these Alpha rays Beta rays Gamma rays ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following discovered X-rays? W.C Roentgen Marie Curie J.J Thomson James Chadwick W.C Roentgen Marie Curie J.J Thomson James Chadwick ANSWER DOWNLOAD EXAMIANS APP
Physics When two semiconductors of pand n-type are brought in contact, they form p-n junction which acts like a/an Oscillator Amplifier Rectifier Conductor Oscillator Amplifier Rectifier Conductor ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS