Physics Water drops cannot stick to the oily surface due to Surface tension Cannot mix each other Water is lighter than oil Lack of adhesive force Surface tension Cannot mix each other Water is lighter than oil Lack of adhesive force ANSWER DOWNLOAD EXAMIANS APP
Physics During hot weather, the fan produces a feeling of comfort. This is because Our perspiration eva-porates rapidly Conductivity of air increases Fan cools the air Fan supplies cool air Our perspiration eva-porates rapidly Conductivity of air increases Fan cools the air Fan supplies cool air ANSWER DOWNLOAD EXAMIANS APP
Physics Which microscope is often used to view metal surfaces? Optical microscopes Electron microscopes None of these Scanning tunneling microscopes Optical microscopes Electron microscopes None of these Scanning tunneling microscopes ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Irregularities Densities Smoothness Gaps Irregularities Densities Smoothness Gaps ANSWER DOWNLOAD EXAMIANS APP
Physics Suitable impurities are added to a semiconductor depending on its use. This is done in order to increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity increase its electrical conductivity enable it to withstand higher voltages increase its life increase its electrical resistivity ANSWER DOWNLOAD EXAMIANS APP
Physics In the Earth, the weight of a body is maximum at the North Pole Equator South Pole Surface North Pole Equator South Pole Surface ANSWER DOWNLOAD EXAMIANS APP
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