Physics The weight of a body acts through the centre of Buoyancy Mass Both (A) and (B) Gravity Buoyancy Mass Both (A) and (B) Gravity ANSWER DOWNLOAD EXAMIANS APP
Physics Conservation of energy refers to the fact that The entropy of the universe is always increasing No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another If you conserve energy you will not be as tired The entropy of the universe is always increasing No chemical reaction is 100 percent efficient Energy cannot be created or destroyed but can be converted from one form to another If you conserve energy you will not be as tired ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Increases Unchanged Decreases Depends upon the metal Increases Unchanged Decreases Depends upon the metal ANSWER DOWNLOAD EXAMIANS APP
Physics On which day 'National Science Day' is celebrated in India ? 43886 43889 43887 43884 43886 43889 43887 43884 ANSWER DOWNLOAD EXAMIANS APP
Physics Which, of the following radiations has the least wavelength ? A-rays G-rays B-rays X-rays A-rays G-rays B-rays X-rays ANSWER DOWNLOAD EXAMIANS APP
Physics A dynamo is used to convert Electrical energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Magnetic energy into mechanical energy Electrical energy into mechanical energy Electrical energy into magnetic energy Mechanical energy into electrical energy Magnetic energy into mechanical energy ANSWER DOWNLOAD EXAMIANS APP