Physics The working of a rocket is based on the principle of: Conservation of momentum Conservation of angular momentum Conservation of mass Conservation of energy Conservation of momentum Conservation of angular momentum Conservation of mass Conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics In very cold countries alcohol is used as a thermometric liquid because Alcohol is a poor conductor of heat It will not stick to the glass tube Alcohol can be coloured for its level to be seen easily Its freezing point is very low Alcohol is a poor conductor of heat It will not stick to the glass tube Alcohol can be coloured for its level to be seen easily Its freezing point is very low ANSWER DOWNLOAD EXAMIANS APP
Physics Which type of mirror is used in the head lights of vehicles ? Parabolic mirror Plane mirror Convex mirror Concave mirror Parabolic mirror Plane mirror Convex mirror Concave mirror ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : Just for convenience To convert static friction into kinetic friction To increase friction To convert kinetic friction into rolling friction Just for convenience To convert static friction into kinetic friction To increase friction To convert kinetic friction into rolling friction ANSWER DOWNLOAD EXAMIANS APP
Physics An object of 10 kg is moving with a speed of 2 m/s. The kinetic energy of the object is 25 J 40 J 20 J 10 J 25 J 40 J 20 J 10 J ANSWER DOWNLOAD EXAMIANS APP
Physics When a light wave is reflected from a mirror, there is a change in its Wavelength Velocity Frequency Amplitude Wavelength Velocity Frequency Amplitude ANSWER DOWNLOAD EXAMIANS APP
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