Physics Which one of the following determines the sharpness of image in a camera ? The aperture The focal length of the lens Size of the camera The exposure time The aperture The focal length of the lens Size of the camera The exposure time ANSWER DOWNLOAD EXAMIANS APP
Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Less than the weight of the man Zero Same as the weight of the man Greater than the weight of the man Less than the weight of the man Zero Same as the weight of the man Greater than the weight of the man ANSWER DOWNLOAD EXAMIANS APP
Physics Which one of the following is a good electrical conductor? Diamond Charcoal Peat Graphite Diamond Charcoal Peat Graphite 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 4% Increased by 2% Decreased by 2% Decreased by 4% Increased by 4% Increased by 2% Decreased by 2% Decreased by 4% ANSWER DOWNLOAD EXAMIANS APP
Physics The dimension MLT–2 corresponds to Velocity Acceleration Work done Force Velocity Acceleration Work done Force ANSWER DOWNLOAD EXAMIANS APP
Physics A metal plate with a circular hole at the centre is heated. What will happen to the area of the hole ? Dacrease Remain constant Will increase first and then dcrease Increase Dacrease Remain constant Will increase first and then dcrease Increase ANSWER DOWNLOAD EXAMIANS APP
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