Physics Which tube used to produce X-ray? None of these Coolidge tube X-ray tube Roentgen None of these Coolidge tube X-ray tube Roentgen ANSWER DOWNLOAD EXAMIANS APP
Physics A soap bubble shows colours when illuminated with white light. This is due to Diffraction Interference Reflection Polarisation Diffraction Interference Reflection Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Decreases with decrease of temperature Increases with decrease of temperature Does not depend on temperature Decreases with increase of temperature Decreases with decrease of temperature Increases with decrease of temperature Does not depend on temperature Decreases with increase of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics Surface tension in a liquid is due to : Electrical force between molecules. Gravitational force between molecules Cohesive force between molecules Adhesive force betweenmolecules Electrical force between molecules. Gravitational force between molecules Cohesive force between molecules Adhesive force betweenmolecules ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with decrease in velocity. Decreases with increase in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Decreases with increase in velocity. Is independent of its velocity. Increases with increase in velocity with respect to an observer. ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is the unit of Astronomical Distance ? Para/sec Metre/sec Parsec Sec Para/sec Metre/sec Parsec Sec ANSWER DOWNLOAD EXAMIANS APP