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 Nuclear Reactors are based on which of the following phenomenon? None of these Controlled Nuclear Fission Magnetic confinement of Plasma Nuclear Fusion None of these Controlled Nuclear Fission Magnetic confinement of Plasma Nuclear Fusion ANSWER DOWNLOAD EXAMIANS APP
Physics When number of turns in a coil is trippled, without any change in the length of coil, its self inductance becomes? Six times One–third Three times Nine times Six times One–third Three times Nine times ANSWER DOWNLOAD EXAMIANS APP
Physics Echo is heard due to Refraction Interference Reflection Scattering Refraction Interference Reflection Scattering ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is immersed in a liquid, the force acting on it is Weight Both (A) and (B) Upthrust Mass Weight Both (A) and (B) Upthrust Mass ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Driving a car to cover a distance Paddling the bicycle to cover a distance Rowing a boat in the lake Wind mill grinding wheat grain Driving a car to cover a distance Paddling the bicycle to cover a distance Rowing a boat in the lake ANSWER DOWNLOAD EXAMIANS APP