Physics What is the reason for twinkling of stars ? Atmospheric reflection Dispersion of light Total internal reflection Atmospheric refraction Atmospheric reflection Dispersion of light Total internal reflection Atmospheric refraction ANSWER DOWNLOAD EXAMIANS APP
Physics A ball is thrown vertically upward from the ground. It crosses a point at the height of 25 m twice at an interval of 4 seconds. The ball was thrown with the velocity of 36 m/s 30 m/s 25 m/s 18 m/s 36 m/s 30 m/s 25 m/s 18 m/s ANSWER DOWNLOAD EXAMIANS APP
Physics When a card placed over a tumbler is flicked with the finger, the coin placed over it falls in the tumbler. Law of conservation of momentum Law of Inertia Newton's third law of motion Law of conservation of energy Law of conservation of momentum Law of Inertia Newton's third law of motion Law of conservation of energy ANSWER DOWNLOAD EXAMIANS APP
Physics Out of the following pairs, which one does not have identical dimension? Impulse and Momentum Work and Torque Angular momentum and Planck's constant Moment of inertia and moment of a force Impulse and Momentum Work and Torque Angular momentum and Planck's constant Moment of inertia and moment of a force ANSWER DOWNLOAD EXAMIANS APP
Physics Ultrasound devices operate with minimum frequency from 35 kHz 60 kHz 20kHz 45 kHz 35 kHz 60 kHz 20kHz 45 kHz ANSWER DOWNLOAD EXAMIANS APP
Physics The height of a geo-stationary satellite from the Earth's surface is approximately : 30,000 km None of these 42,000 km 36,000 km 30,000 km None of these 42,000 km 36,000 km ANSWER DOWNLOAD EXAMIANS APP