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% Decreased by 2% Decreased by 4% Increased by 4% Increased by 2% Decreased by 2% Decreased by 4% Increased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics Of the following properties of a wave, the one that is independent of the other is its frequency amplitude wavelength velocity frequency amplitude wavelength velocity ANSWER DOWNLOAD EXAMIANS APP
Physics Acceleration is the rate of change of Jerk Jounce Speed Velocity Jerk Jounce Speed Velocity ANSWER DOWNLOAD EXAMIANS APP
Physics An object at rest may have Velocity Momentum Kinetic energy Potential energy Velocity Momentum Kinetic energy Potential energy ANSWER DOWNLOAD EXAMIANS APP
Physics Find the power of a convex lens if the image formed is at a distance of 25 cm from the lens when the object is placed on the other side of the lens at 12 cm from the optical centre? -4.33 diopters -12.33 diopters 12.33 diopters 4.33 diopters -4.33 diopters -12.33 diopters 12.33 diopters 4.33 diopters ANSWER DOWNLOAD EXAMIANS APP
Physics We feel cool when we sit near the fan, this is because Fan cools surrounding air. Fan gives cool air. Air vapourises the sweat on our body. We feel cool when air touches the body. Fan cools surrounding air. Fan gives cool air. Air vapourises the sweat on our body. We feel cool when air touches the body. ANSWER DOWNLOAD EXAMIANS APP