Physics If a copper wire is increased to double its length, its resistance will become Double Half One–fourth Four times Double Half One–fourth Four times ANSWER DOWNLOAD EXAMIANS APP
Physics Mercury is commonly used as a thermometric fluid rather than water because mercury has greater visibility than water density of mercury is more than the water specific heat of mercury is more than water specific heat of mercury is less than water mercury has greater visibility than water density of mercury is more than the water specific heat of mercury is more than water specific heat of mercury is less than water ANSWER DOWNLOAD EXAMIANS APP
Physics The sensation of weightlessness in a spacecraft in an orbit is due to the Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy Acceleration in the orbit which is equal to the acceleration due to gravity outside Absence of gravity outside Presence of gravity outside but not inside the spacecraft Fact that spacecraft in the orbit has no energy ANSWER DOWNLOAD EXAMIANS APP
Physics Night photography and photopraphy in mist and fog are possible using Microwave radiation Infra-red radiation Gamma radiation Ultra-violet radiation Microwave radiation Infra-red radiation Gamma radiation Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
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% Increased by 4% Decreased by 2% Decreased by 4% Increased by 2% Increased by 4% Decreased by 2% Decreased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics Alternating current is converted into direct current by a Oscillator Rectifier Transformer Dynamo Oscillator Rectifier Transformer Dynamo ANSWER DOWNLOAD EXAMIANS APP
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