Physics A small drop of oil spreads over water because : Water has a higher viscosity Water has a higher surface tension Oil has a higher viscosity Oil has a higher surface tension Water has a higher viscosity Water has a higher surface tension Oil has a higher viscosity Oil has a higher surface tension ANSWER DOWNLOAD EXAMIANS APP
Physics Compressions and Rarefactions are characteristic of Both A & B Neither of A & B Longitudinal waves Transverse waves Both A & B Neither of A & B Longitudinal waves Transverse waves ANSWER DOWNLOAD EXAMIANS APP
Physics For photoelectric effect to take place, the metal used as the cathode should have ________ Low resistance Low melting point Low work function High melting point Low resistance Low melting point Low work function High melting point ANSWER DOWNLOAD EXAMIANS APP
Physics When a ring of metal is heated what happens to its hole ? It expands or contracts according to its diameter Contracts Expands It expands or contracts according to its coefficient of expansion It expands or contracts according to its diameter Contracts Expands It expands or contracts according to its coefficient of expansion ANSWER DOWNLOAD EXAMIANS APP
Physics Electrons carry a Negative Charge Neutral Charge Positive Charge Variable Charge Negative Charge Neutral Charge Positive Charge Variable Charge ANSWER DOWNLOAD EXAMIANS APP
Physics What measures Air pressure? Barometer Spectrometer Bolometer Barkometer Barometer Spectrometer Bolometer Barkometer ANSWER DOWNLOAD EXAMIANS APP