Physics Ball bearings are used in cycles, scooters etc to 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 Increase the friction between the wheel and the axle ANSWER DOWNLOAD EXAMIANS APP
Physics The sound produced by a bat is– Audible Infrasonic Ultrasonic Subsonic Audible Infrasonic Ultrasonic Subsonic ANSWER DOWNLOAD EXAMIANS APP
Physics When a vehicle passes, TV reception gets distorted. This is because Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Metal reflects radiowaves Modern vehicles use electroignition system Vehicle pollution affects the performance of the TV components Spark plug creates electromagnetic disturbances Metal reflects radiowaves Modern vehicles use electroignition system ANSWER DOWNLOAD EXAMIANS APP
Physics Which physicists is the writer of the book 'A Brief History of Time'? Stephen Hawking Albert Einstein Hans Bethe Isaac Newton Stephen Hawking Albert Einstein Hans Bethe Isaac Newton ANSWER DOWNLOAD EXAMIANS APP
Physics Which of the following have the same unit ? Work and power Torque and angular momentum Torque and moment of inertia Work and torque Work and power Torque and angular momentum Torque and moment of inertia Work and torque ANSWER DOWNLOAD EXAMIANS APP
Physics X-rays region lies between Ultraviolet and visible region Visible and infra-red region Gamma-rays and ultraviolet region Short radio waves and long radio waves Ultraviolet and visible region Visible and infra-red region Gamma-rays and ultraviolet region Short radio waves and long radio waves ANSWER DOWNLOAD EXAMIANS APP
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