Physics Which phenomenon is responsible for the echo of sound wave? Reflection Interference Refraction Polarisation Reflection Interference Refraction Polarisation ANSWER DOWNLOAD EXAMIANS APP
Physics Water has maximum density at 273°C 0°C 4°C 100°C 273°C 0°C 4°C 100°C ANSWER DOWNLOAD EXAMIANS APP
Physics The function of ball bearings in a wheel is : To increase friction Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction To increase friction Just for convenience To convert kinetic friction into rolling friction To convert static friction into kinetic friction ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following pairs, which one does not have identical dimension? Moment of inertia and moment of a force Angular momentum and Planck's constant Work and Torque Impulse and Momentum Moment of inertia and moment of a force Angular momentum and Planck's constant Work and Torque Impulse and Momentum ANSWER DOWNLOAD EXAMIANS APP
Physics Ball bearings are used in cycles, scooters etc to Increase the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Reduce the friction between the wheel and the axle Increase the friction between the wheel and the axle Reduce the friction between ground and the whee None of these Reduce the friction between the wheel and the axle ANSWER DOWNLOAD EXAMIANS APP
Physics The motion of the wheels of a bullock-cart while moving on the road is an example of Translatory motion only Oscillatory and translatory motion Translatory and rotatory motion Oscillatory and rotatory motion Translatory motion only Oscillatory and translatory motion Translatory and rotatory motion Oscillatory and rotatory motion ANSWER DOWNLOAD EXAMIANS APP