Physics Choose the most appropriate answer: Natural radioactivity was discovered by Henry Bacquerel Marie Curie Enrico Fermi Earnest Rutherford Henry Bacquerel Marie Curie Enrico Fermi Earnest Rutherford ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following uses a Non Renewable Energy Source? Wind Mill Power Plant Nuclear Power Plant Tidal Power Plant Hydro Electric Plant Wind Mill Power Plant Nuclear Power Plant Tidal Power Plant Hydro Electric Plant ANSWER DOWNLOAD EXAMIANS APP
Physics Energy in reflected light : Increases with the increase in angle Does not depends on the angle of incidence Decreases with the increase in angle of incidence Becomes maximum for angle of incidence equal to 45° Increases with the increase in angle Does not depends on the angle of incidence Decreases with the increase in angle of incidence Becomes maximum for angle of incidence equal to 45° ANSWER DOWNLOAD EXAMIANS APP
Physics The waves used in sonography are Ultrasonic waves Sound waves Infra-red waves Micro waves Ultrasonic waves Sound waves Infra-red waves Micro waves ANSWER DOWNLOAD EXAMIANS APP
Physics In a Cinema hall, the distance between the projector and the screen is increased by 2%. Then the intensity of illumination on the screen is Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. Increases with increase in velocity with respect to an observer. Decreases with decrease in velocity. Is independent of its velocity. Decreases with increase in velocity. ANSWER DOWNLOAD EXAMIANS APP