Physics A man stands in a lift which accelerates upwards. The resultant reaction force on the floor of the lift is Zero Less than the weight of the man Same as the weight of the man Greater than the weight of the man Zero Less than the weight of the man Same as the weight of the man Greater than the weight of the man ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrolysis It may cause hydrolysis It may spoil the wiring It may cause electrocution It may cause electrolysis It may cause hydrolysis It may spoil the wiring It may cause electrocution ANSWER DOWNLOAD EXAMIANS APP
Physics If the distance between Sun and Earth becomes double, then the gravitational force on Earth will be Double Half Same One Fourth Double Half Same One Fourth ANSWER DOWNLOAD EXAMIANS APP
Physics The velocity of sound in air Does not depend on temperature Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature Does not depend on temperature Increases with decrease of temperature Decreases with increase of temperature Decreases with decrease of temperature ANSWER DOWNLOAD EXAMIANS APP
Physics For which of the following substances, the resistance decreases with increase in temperature? Pure silicon Nichrome Platinum Copper Pure silicon Nichrome Platinum Copper ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following are methods of heat transfer? Revolution Evaporation Convection Thermal Expansion Revolution Evaporation Convection Thermal Expansion ANSWER DOWNLOAD EXAMIANS APP
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