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% Decreased by 4% Decreased by 2% Increased by 2% Increased by 4% Decreased by 4% Decreased by 2% Increased by 2% ANSWER DOWNLOAD EXAMIANS APP
Physics Circuit breaker usually operate under Sub-transient state of short-circuit current After D. C. component has ceased Steady state of short-circuit current Transient state of short-circuit current Sub-transient state of short-circuit current After D. C. component has ceased Steady state of short-circuit current Transient state of short-circuit current ANSWER DOWNLOAD EXAMIANS APP
Physics The time period of a seconds pendulum is 1.5 second 0.5 second 2 seconds 1 second 1.5 second 0.5 second 2 seconds 1 second ANSWER DOWNLOAD EXAMIANS APP
Physics The flow of thermal energy is called Voltage Heat Potential Current Voltage Heat Potential Current ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following determines the sharpness of image in a camera ? The focal length of the lens The aperture Size of the camera The exposure time The focal length of the lens The aperture Size of the camera The exposure time ANSWER DOWNLOAD EXAMIANS APP
Physics Danger signals are generally red as red light Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright Has lowest velocity Gives comfort to eye Undergoes least deviation Is least bright ANSWER DOWNLOAD EXAMIANS APP