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 4% Increased by 2% Decreased by 2% Increased by 4% Decreased by 4% Increased by 2% Decreased by 2% Increased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics The law of conservation of energy states that Energy can either be created or destroyed Energy can neither be created or destroyed Energy can either be created nor destroyed Energy can neither be created nor destroyed Energy can either be created or destroyed Energy can neither be created or destroyed Energy can either be created nor destroyed Energy can neither be created nor destroyed ANSWER DOWNLOAD EXAMIANS APP
Physics Waves that are required for long distance wireless communication are Microwaves Ultraviolet rays Infrared rays Radio waves Microwaves Ultraviolet rays Infrared rays Radio waves ANSWER DOWNLOAD EXAMIANS APP
Physics A standing wave occurs when The speed of the wave is zero or near zero The amplitude of a wave exceeds its wavelength Two waves overlap A wave reflects upon itself The speed of the wave is zero or near zero The amplitude of a wave exceeds its wavelength Two waves overlap A wave reflects upon itself ANSWER DOWNLOAD EXAMIANS APP
Physics The unit of electrical power is Ampere Kilowatt hour Watt Bolt Ampere Kilowatt hour Watt Bolt ANSWER DOWNLOAD EXAMIANS APP
Physics A television channel is characterised by Size of picture tube Frequency of transmitted signal Velocity of transmitted signal Physical dimension of television screen Size of picture tube Frequency of transmitted signal Velocity of transmitted signal Physical dimension of television screen ANSWER DOWNLOAD EXAMIANS APP
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