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 Decreased by 2% Increased by 4% Decreased by 4% Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% Increased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of sound at a point is ____ its distance from the source. inversely proportional to square of directly proportional to square of inversely proportional to directly proportional to inversely proportional to square of directly proportional to square of inversely proportional to directly proportional to ANSWER DOWNLOAD EXAMIANS APP
Physics In a filament type light bulb most of the electric power consumed appears as Fluorescent light Visible light Infra-red rays Ultra-violet rays Fluorescent light Visible light Infra-red rays Ultra-violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Light scattering takes place in Electrolyte solutions Acidic solutions Basic solutions Colloidal solutions Electrolyte solutions Acidic solutions Basic solutions Colloidal solutions ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is a result of Surface tension ? Capillary action Viscosity Radiation Gravitational pull Capillary action Viscosity Radiation Gravitational pull ANSWER DOWNLOAD EXAMIANS APP
Physics Electrical Pressure is also called Current Power Resistance Voltage Current Power Resistance Voltage ANSWER DOWNLOAD EXAMIANS APP