Physics Which one of the following determines the sharpness of image in a camera ? 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 The aperture ANSWER DOWNLOAD EXAMIANS APP
Physics A piece of ice is floating in water kept in a beaker. When all the ice melts the level of water will First rise and then fall Fall Remain the same Rise First rise and then fall Fall Remain the same Rise ANSWER DOWNLOAD EXAMIANS APP
Physics The blue colour of water in the sea is due to Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules Reflection of blue sky by sea water Reflection of blue light by impurities in sea water Absorption of other colours except blue by water molecules Scattering of blue light by water molecules Reflection of blue sky by sea water ANSWER DOWNLOAD EXAMIANS APP
Physics Heavy water is used in nuclear reactor to Increase speed of neutron Increase temperature Slow down neutron Absorb neutron Increase speed of neutron Increase temperature Slow down neutron Absorb neutron ANSWER DOWNLOAD EXAMIANS APP
Physics The SI unit for measuring work and energy is Joule Farad Ohm Watt Joule Farad Ohm Watt ANSWER DOWNLOAD EXAMIANS APP
Physics Circuit breaker usually operate under Transient state of short-circuit current After D. C. component has ceased Sub-transient state of short-circuit current Steady state of short-circuit current Transient state of short-circuit current After D. C. component has ceased Sub-transient state of short-circuit current Steady state of short-circuit current ANSWER DOWNLOAD EXAMIANS APP
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