Physics A vacuum cleaner works on the principle of pressure difference. On the moon it will Not work at all Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency Not work at all Work as efficiently as on the earth Work with reduced efficiency Work with increased efficiency ANSWER DOWNLOAD EXAMIANS APP
Physics Lightning heats the surrounding air to 3000 deg Cent 30000 deg Cent 300 deg Cent 300000 deg Cent 3000 deg Cent 30000 deg Cent 300 deg Cent 300000 deg Cent ANSWER DOWNLOAD EXAMIANS APP
Physics If lift is going up with acceleration, the apparent weight of a body is Less than the true weight More than the true weight Equal to the true weight May be more or less than true weight Less than the true weight More than the true weight Equal to the true weight May be more or less than true weight ANSWER DOWNLOAD EXAMIANS APP
Physics The energy obtained from atoms is known as ________ Nuclear energy Heat energy Chemical energy Solar energy Nuclear energy Heat energy Chemical energy Solar energy ANSWER DOWNLOAD EXAMIANS APP
Physics A metal-semiconductor junction diode is called ________ Schottky diode Tunnel diode Photo diode P-N Juction diode Schottky diode Tunnel diode Photo diode P-N Juction diode ANSWER DOWNLOAD EXAMIANS APP
Physics In a railway track, two rails are joined end to end with a gap in between them because Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train Accidents due to contraction in winter can be avoided Accidents due to expansion in summer can be avoided Steel can be saved Air-gaps are necessary for bearing the weight of running train ANSWER DOWNLOAD EXAMIANS APP