Physics The device used for locating submerged objects under sea is. Sonar Radar Maser Laser Sonar Radar Maser Laser ANSWER DOWNLOAD EXAMIANS APP
Physics The fundamental scientific principle in the operation of battery is Dialysis Dissociation of electrolytes Oxidation-reduction Acid-base interaction Dialysis Dissociation of electrolytes Oxidation-reduction Acid-base interaction ANSWER DOWNLOAD EXAMIANS APP
Physics Which among the following determines the pitch of a sound? Wavelength Frequency Loudness Amplitude Wavelength Frequency Loudness Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics When a detergent is added to pure water, its surface tension Increases Decreases Becomes infinite Remains constant Increases Decreases Becomes infinite Remains constant ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in lifting the stone is equal to rolling it. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. Work done in lifting the stone is equal to rolling it. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling a stone is less than in lifting it. Work done in rolling is more than in lifting. ANSWER DOWNLOAD EXAMIANS APP
Physics In a conductor The forbidden energy gap is very narrow The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very wide The forbidden energy gap is very narrow The valence band and the conduction band overlap each other There is no conduction band The forbidden energy gap is very wide ANSWER DOWNLOAD EXAMIANS APP