Physics A thin oil film on a water surface appears coloured because of Reflection Diffraction Polarization Interference Reflection Diffraction Polarization Interference ANSWER DOWNLOAD EXAMIANS APP
Physics If an empty cylinder is half filled with a liquid, its center of gravity is Shifted upward or downward depending on the density of the liquid Shifted upwards Shifed neither upward nor downward Shifted downwards Shifted upward or downward depending on the density of the liquid Shifted upwards Shifed neither upward nor downward Shifted downwards ANSWER DOWNLOAD EXAMIANS APP
Physics The characteristic invalid for heat radiation is that it travels : In a straight line In all directions Heating the medium through which it passes With the speed of light In a straight line In all directions Heating the medium through which it passes With the speed of light ANSWER DOWNLOAD EXAMIANS APP
Physics Stars twinkle because None of these the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch None of these the intensity of light emitted by them changes with time. the distance of the stars from the earth changes with time. the refractive index of the different layers of the earth's atmosphere ch ANSWER DOWNLOAD EXAMIANS APP
Physics Two rods, one of copper and other of steel, experience the same upthrust when placed in water.Thus, both have Equal mass Equal weight Equal density Equal volume Equal mass Equal weight Equal density Equal volume ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Absence of gravity outside Acceleration in the orbit which is equal to the acceleration due to gravity outside ANSWER DOWNLOAD EXAMIANS APP
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