Physics Which one of the following determines the sharpness of image in a camera ? Size of the camera The exposure time The focal length of the lens The aperture Size of the camera The exposure time The focal length of the lens The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics What is the fundamental unit of amount of a substance? Meter Mole Candela Kelvin Meter Mole Candela Kelvin ANSWER DOWNLOAD EXAMIANS APP
Physics The force that keeps a body in a circular motion called The centripetal force All listed here The frictional force The centrifugual force The centripetal force All listed here The frictional force The centrifugual force ANSWER DOWNLOAD EXAMIANS APP
Physics A boat loaded with rocks floats in the middle of a swimming pool. A man in the boat throws the rocks overboard. The level of water in the pool will Remains the same Increase Decrease First decrease and then increase Remains the same Increase Decrease First decrease and then increase ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Velocity Wavelength Frequency Amplitude Velocity Wavelength Frequency Amplitude ANSWER DOWNLOAD EXAMIANS APP
Physics Large astronomical telescopes always use as objective mirror None of these lens combinations of lenses mirror None of these lens combinations of lenses ANSWER DOWNLOAD EXAMIANS APP
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