Physics The least penetrating power ray is None of these Gamma rays Alpha rays Beta rays None of these Gamma rays Alpha rays Beta rays ANSWER DOWNLOAD EXAMIANS APP
Physics A small gap is left at the joints of rails in a railway track to Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train Avoid the tracks being distorted due to seasonal temperature variation Avoid the heating of tracks to high temperature Keep the rails equidistant Control the speed of train ANSWER DOWNLOAD EXAMIANS APP
Physics Who among the following is credited for the discovery of ''Expanding Universe"? S Chandra Shekhar V Raman Edwin Hubble Niels Bohr S Chandra Shekhar V Raman Edwin Hubble Niels Bohr ANSWER DOWNLOAD EXAMIANS APP
Physics Green house effect is the heating up of the Earth's atmosphere which is due to G-rays X-rays The infra-red rays The ultraviolet rays G-rays X-rays The infra-red rays The ultraviolet rays 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. 2 0.05 4 0.1 2 0.05 4 0.1 ANSWER DOWNLOAD EXAMIANS APP
Physics Stars are held together by Ionic forces Magnetic forces Gravitational forces Electrical forces Ionic forces Magnetic forces Gravitational forces Electrical forces ANSWER DOWNLOAD EXAMIANS APP
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