Physics Night photography and photopraphy in mist and fog are possible using Infra-red radiation Gamma radiation Microwave radiation Ultra-violet radiation Infra-red radiation Gamma radiation Microwave radiation Ultra-violet radiation ANSWER DOWNLOAD EXAMIANS APP
Physics If there is a circular hole in a metal plate, what happens to the radius of the hole when the plate is heated? Decreases Unchanged Increases Depends upon the metal Decreases Unchanged Increases Depends upon the metal ANSWER DOWNLOAD EXAMIANS APP
Physics Circuit breaker usually operate under Sub-transient state of short-circuit current Transient state of short-circuit current Steady state of short-circuit current After D. C. component has ceased Sub-transient state of short-circuit current Transient state of short-circuit current Steady state of short-circuit current After D. C. component has ceased ANSWER DOWNLOAD EXAMIANS APP
Physics The force which makes a vehicle to stop when break is applied is called Gravitational force Covalant force Frictional force Vanderwalls force Gravitational force Covalant force Frictional force Vanderwalls force ANSWER DOWNLOAD EXAMIANS APP
Physics What is the unit of relative density? Kg/m3 Kg/m2 Kg/m It has no unit Kg/m3 Kg/m2 Kg/m It has no unit ANSWER DOWNLOAD EXAMIANS APP
Physics A cup of hot coffee is placed on a metal table in a room. By which of the following methods does it lose heat? Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only Conduction and convection only Convection and radiation only Conduction, convection and radiation Conduction and radiation only ANSWER DOWNLOAD EXAMIANS APP
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