Physics The force of friction between two surfaces will increase if: A layer of lubricant is kept between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder Air gap is created between the two surfaces A layer of lubricant is kept between the two surfaces Irregularities on both the surfaces are removed The two surfaces are pressed harder Air gap is created between the two surfaces ANSWER DOWNLOAD EXAMIANS APP
Physics In which of the following cases, kinetic energy is being used in performing work ? Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance Paddling the bicycle to cover a distance Wind mill grinding wheat grain Rowing a boat in the lake Driving a car to cover a distance Paddling the bicycle to cover a distance ANSWER DOWNLOAD EXAMIANS APP
Physics The flow of thermal energy is called Voltage Potential Heat Current Voltage Potential Heat Current ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following has the lowest frequency? Gamma rays Xrays Visible light Ultra violet rays Gamma rays Xrays Visible light Ultra violet rays ANSWER DOWNLOAD EXAMIANS APP
Physics Intensity of gravitational field of earth is maximum at Surface Poles Equator Centre of earth Surface Poles Equator Centre of earth ANSWER DOWNLOAD EXAMIANS APP
Physics Water cannot be used to extinguish fire caused by electric current, because It may cause electrolysis It may spoil the wiring It may cause hydrolysis It may cause electrocution It may cause electrolysis It may spoil the wiring It may cause hydrolysis It may cause electrocution ANSWER DOWNLOAD EXAMIANS APP
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