Physics Ball bearings are used in cycles, scooters etc to Increase the friction between the wheel and the axle Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle None of these Increase the friction between the wheel and the axle Reduce the friction between ground and the whee Reduce the friction between the wheel and the axle None of these ANSWER DOWNLOAD EXAMIANS APP
Physics The least penetrating power ray is None of these Gamma rays Alpha rays Beta rays None of these Gamma rays Alpha rays Beta rays ANSWER DOWNLOAD EXAMIANS APP
Physics For a ray of light to suffer total internal reflection it has to pass from : Glass to water Air to water Water to glass Air to glass Glass to water Air to water Water to glass Air to glass ANSWER DOWNLOAD EXAMIANS APP
Physics The average kinetic energy of the molecules of an ideal gas is directly proportional to Temperature of environment Absolute temperature of the gas Mass of Molecules Velocity of Molecules Temperature of environment Absolute temperature of the gas Mass of Molecules Velocity of Molecules ANSWER DOWNLOAD EXAMIANS APP
Physics What is the effective resistance (in Ω) of two resistors 20 Ω and 30 Ω connected in parallel? 12 36 24 50 12 36 24 50 ANSWER DOWNLOAD EXAMIANS APP
Physics What is the value of 1 kW = ? 1000 W 10000 W 100 W 10 W 1000 W 10000 W 100 W 10 W ANSWER DOWNLOAD EXAMIANS APP
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