Physics For Gamma radiation, what stops its penetrating abilities? Lead All of these Concrete Steal Lead All of these Concrete Steal ANSWER DOWNLOAD EXAMIANS APP
Physics In a nuclear reactor, one of the following is used as a fuel. Coal Radium Diesel Uranium Coal Radium Diesel Uranium ANSWER DOWNLOAD EXAMIANS APP
Physics The force exerted on an object is 200 N and its mass is 100 kg. Find the acceleration of the object. 2 m/s 2 s 2 m 2 m/sq.s 2 m/s 2 s 2 m 2 m/sq.s ANSWER DOWNLOAD EXAMIANS APP
Physics Pressure Cooker cooks faster because It cooks the food at low pressure Higher temperature is attained for cooking Boiling point decreases with rise of pressure The material of the cooker is a good conductor It cooks the food at low pressure Higher temperature is attained for cooking Boiling point decreases with rise of pressure The material of the cooker is a good conductor ANSWER DOWNLOAD EXAMIANS APP
Physics A photon of X-ray has energy of 1 keV. A photon of visible radiation has energy of 3 eV. In this context, which one of the following statements is not correct? The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. The wavelength of X-ray photon is less than the wavelength of visible radiation photon. Both the photons have different energies. The speeds of both the photons in vacuum are different The frequency of X-ray photon is higher than the frequency of visible radiation photon. ANSWER DOWNLOAD EXAMIANS APP
Physics A solid needle placed horizontally on the surface of the water floats due to Capillary action Water pressure Surface tension of water Viscosity of water Capillary action Water pressure Surface tension of water Viscosity of water ANSWER DOWNLOAD EXAMIANS APP
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