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 Holography is a technique of Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional black and white photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional multicolour photograph Recording a permanent, sharp two diimensional black and white or multicolour photograph Recording a permanent three dimensional black and white photograph Recording a permanent three dimensional photograph of a given single colour or a multicolour Recording a permanent three dimensional multicolour photograph ANSWER DOWNLOAD EXAMIANS APP
Physics Which best describes how air moves during convection? Cool air is replaced by warm air Warm air falls down Air always falls down Cool air falls down Cool air is replaced by warm air Warm air falls down Air always falls down Cool air falls down ANSWER DOWNLOAD EXAMIANS APP
Physics When a body is accelerated, then the velocity will be also Constant Increase Decrease None of these Constant Increase Decrease None of these ANSWER DOWNLOAD EXAMIANS APP
Physics What is the name of the device used to convert alternating current into direct current ? Galvanometer Rectifier Ammeter Transformer Galvanometer Rectifier Ammeter Transformer ANSWER DOWNLOAD EXAMIANS APP
Physics Which set of conditions represents the easiest way to liquify a gas ? Low temperature and low pressure Low temperature and high pressure High temperature and high pressure High temperature and low pressure Low temperature and low pressure Low temperature and high pressure High temperature and high pressure High temperature and low pressure ANSWER DOWNLOAD EXAMIANS APP
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