Physics If the velocity-time graph of a particle is represented by y = mt + c, then the particle is moving with Varying acceleration Constant velocity Constant acceleration Constant speed Varying acceleration Constant velocity Constant acceleration Constant speed ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to None of these Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Increase the friction between the wheel and the axle Reduce the friction between the wheel and the axle Reduce the friction between ground and the whee ANSWER DOWNLOAD EXAMIANS APP
Physics Friction is caused by the ________ on the two surfaces in contact. Smoothness Densities Gaps Irregularities Smoothness Densities Gaps Irregularities ANSWER DOWNLOAD EXAMIANS APP
Physics The cover of a solar cooker is made of glass because It retains the heat inside by the green house effect It rediates heat better than metals It absorbs sun's rays It reflects sun's rays It retains the heat inside by the green house effect It rediates heat better than metals It absorbs sun's rays It reflects sun's rays ANSWER DOWNLOAD EXAMIANS APP
Physics The following particles move with same kinetic energy. Which of them has maximum momentum ? Alpha Particle Deutron Electron Proton Alpha Particle Deutron Electron Proton ANSWER DOWNLOAD EXAMIANS APP
Physics What is a compound microscope? A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are concave. A microscope whose lenses are convex. A microscope that has one lens. A microscope that has two sets of lenses : an occular lens and an eyepiece. A microscope whose lenses are concave. A microscope whose lenses are convex. A microscope that has one lens. ANSWER DOWNLOAD EXAMIANS APP