Physics The strength of an electromagnet can be increased by All of these Increasing the number of turns Increasing the length of the coiled wire Increasing current supply All of these Increasing the number of turns Increasing the length of the coiled wire Increasing current supply ANSWER DOWNLOAD EXAMIANS APP
Physics Hertz is a unit for measuring Clarity of waves Intensity of waves Wavelength Frequency of waves Clarity of waves Intensity of waves Wavelength Frequency of waves ANSWER DOWNLOAD EXAMIANS APP
Physics Skating on ice is possible because The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth Ice is cold The pressure on the ice due to skate raises its melting point The pressure on the ice due to skate melts the ice by lowering its melting point forming a thin film of water The surface of ice is smooth Ice is cold ANSWER DOWNLOAD EXAMIANS APP
Physics When the milk is churned vigorously the cream from it is separated out due to Centrifugal force Centripetal force Frictional force Gravitational force Centrifugal force Centripetal force Frictional force Gravitational force ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 1 MeV 0.1 MeV 100 MeV 10 MeV 1 MeV 0.1 MeV 100 MeV 10 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following is not true about X-rays? Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power Can affect photographic plates Can be reflected or refracted Travel with the speed of light Have low penetrating power ANSWER DOWNLOAD EXAMIANS APP
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