Physics Ball bearings are used in cycles, scooters etc to 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 Reduce the friction between ground and the whee ANSWER DOWNLOAD EXAMIANS APP
Physics The shape of our milky way galaxy is Elliptical Spiral Circular None of these Elliptical Spiral Circular None of these ANSWER DOWNLOAD EXAMIANS APP
Physics Hydraulic machines work under the Principle of : Newton's Law Pascal's Law Floatation Law Joules Law Newton's Law Pascal's Law Floatation Law Joules Law ANSWER DOWNLOAD EXAMIANS APP
Physics A black body can absorb radiations of : All wavelengths Intermediate wavelengths only Higher wavelengths only Lower wavelengths only All wavelengths Intermediate wavelengths only Higher wavelengths only Lower wavelengths only ANSWER DOWNLOAD EXAMIANS APP
Physics The wall of a dam is made thicker at the bottom than at the top because the pressure exerted by the water on the wall Increases with height of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall Increases with height of the wall Depends on the thickness of the wall Depends on the area of the wall Increases with depth of the wall ANSWER DOWNLOAD EXAMIANS APP
Physics Vehicle tyres are inflated properly To go fast and save fuel. To allow the vehicle to take more load. To ensure smooth running. To avoid skidding and to minimise friction To go fast and save fuel. To allow the vehicle to take more load. To ensure smooth running. To avoid skidding and to minimise friction ANSWER DOWNLOAD EXAMIANS APP
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