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 2% Increased by 4% Decreased by 4% Decreased by 2% Increased by 2% Increased by 4% Decreased by 4% Decreased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of the sound is highest in Vacuum Air Metal Water Vacuum Air Metal Water ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicles use ________ to see the objects coming from behind. Concave mirror Convex lens Convex mirror Concave lens Concave mirror Convex lens Convex mirror Concave lens ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan cools surrounding air. We feel cool when air touches the body. Air vapourises the sweat on our body. Fan gives cool air. Fan cools surrounding air. We feel cool when air touches the body. Air vapourises the sweat on our body. Fan gives cool air. ANSWER DOWNLOAD EXAMIANS APP
Physics When a bar magnet is cut into two equal halves, the pole strength of each piece – Remains the same Becomes half Becomes double Becomes zero Remains the same Becomes half Becomes double Becomes zero ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following game, players must have the knowledge of Pascal's law? Climbing Paragliding Scuba diving Rafting Climbing Paragliding Scuba diving Rafting ANSWER DOWNLOAD EXAMIANS APP