Physics Which, of the following radiations has the least wavelength ? A-rays B-rays X-rays G-rays A-rays B-rays X-rays G-rays ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy ANSWER DOWNLOAD EXAMIANS APP
Physics A circular plate, a cube and a sphere, all made up of same material and having the samemass, are heated to 300°C and left in a room. Which of them will have the slowest rate of cooling? Sphere All will cool at the same rate Circular plate Cube Sphere All will cool at the same rate Circular plate Cube ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following waves cannot be polarised? Radio Infrared Ultrasonic Ultra violet Radio Infrared Ultrasonic Ultra violet ANSWER DOWNLOAD EXAMIANS APP
Physics Nuclear sizes are expressed in a unit named Newton Fermi Angstrom Tesla Newton Fermi Angstrom Tesla ANSWER DOWNLOAD EXAMIANS APP
Physics A copper disc has a hole. If the disc is heated, the size of the hole No change Decreases Increases First increases and than decreases No change Decreases Increases First increases and than decreases ANSWER DOWNLOAD EXAMIANS APP