Physics Which of the following is not true about X-rays? Have low penetrating power Travel with the speed of light Can be reflected or refracted Can affect photographic plates Have low penetrating power Travel with the speed of light Can be reflected or refracted Can affect photographic plates ANSWER DOWNLOAD EXAMIANS APP
Physics Energy is continuously created in the sun due to: Artificial radioactivity Radioactivity Nuclear fission Nuclear fusion Artificial radioactivity Radioactivity Nuclear fission Nuclear fusion ANSWER DOWNLOAD EXAMIANS APP
Physics A bullet of mass 10gm is fired with a velocity of 40 m/s from a gun of mass 8 kg. Find the recoil velocity (in m/s) of the gun. 0.05 0.1 4 2 0.05 0.1 4 2 ANSWER DOWNLOAD EXAMIANS APP
Physics If an empty cylinder is half filled with a liquid, its center of gravity is Shifted downwards Shifted upwards Shifed neither upward nor downward Shifted upward or downward depending on the density of the liquid Shifted downwards Shifted upwards Shifed neither upward nor downward Shifted upward or downward depending on the density of the liquid ANSWER DOWNLOAD EXAMIANS APP
Physics If a boy sitting in a train, which is moving at a constant velocity, throws a ball straight up into the air, the ball will Fall into his hand Fall in front of him None of these Fall behind him Fall into his hand Fall in front of him None of these Fall behind him ANSWER DOWNLOAD EXAMIANS APP
Physics A spherical ball made of steel when dropped in mercury container Sink in mercury Will be on the surface of mercury Will be partly immersed mercury Will dissolve in mercury Sink in mercury Will be on the surface of mercury Will be partly immersed mercury Will dissolve in mercury ANSWER DOWNLOAD EXAMIANS APP