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 4% Decreased by 2% Increased by 4% Increased by 2% Decreased by 4% Decreased by 2% Increased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics It is easier to roll a stone up a sloping road than to lift it vertical upwards because Work done in both is same but the rate of doing work is less in rolling. Work done in rolling a stone is less than in lifting it. Work done in lifting the stone is equal to rolling it. Work done in rolling is more than in lifting. Work done in both is same but the rate of doing work is less in rolling. Work done in rolling a stone is less than in lifting it. Work done in lifting the stone is equal to rolling it. Work done in rolling is more than in lifting. ANSWER DOWNLOAD EXAMIANS APP
Physics The energy associated with motion is called None of these Kinetic energy Potential energy Both A & B None of these Kinetic energy Potential energy Both A & B ANSWER DOWNLOAD EXAMIANS APP
Physics When light passes from one medium to another, this phenomenon of change in its direction is called ________ Refraction No option is correct Diffraction Propagation Refraction No option is correct Diffraction Propagation ANSWER DOWNLOAD EXAMIANS APP
Physics If a carrier wave of 1000 kHz is used to carry the signal, the length of transmitting antenna will be equal to ________. 0.3 m 3 m 30 m 300 m 0.3 m 3 m 30 m 300 m ANSWER DOWNLOAD EXAMIANS APP
Physics In the absence of the earth's atmosphere, sky would appear Blue Black White Deep red Blue Black White Deep red ANSWER DOWNLOAD EXAMIANS APP