Physics For which one of the following does the centre of mass lie outside the body? A ring A book A fountain pen A cricket ball A ring A book A fountain pen A cricket ball ANSWER DOWNLOAD EXAMIANS APP
Physics According to special theory of relativity the mass of a particle Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. Decreases with increase in velocity. Decreases with decrease in velocity. Increases with increase in velocity with respect to an observer. Is independent of its velocity. Decreases with increase in velocity. ANSWER DOWNLOAD EXAMIANS APP
Physics The fact that the planets move around the Sun, not in circles but in ellipses, was first demonstrated by Johannes Kepler Galileo Martin Luther Copernicus Johannes Kepler Galileo Martin Luther Copernicus ANSWER DOWNLOAD EXAMIANS APP
Physics A 4 kg object is moving horizontally with a speed of 5 m/s. To increase its speed to 10 m/s, the amount of net work required to be done on this object is: 100 J 50 J 75 J 150 J 100 J 50 J 75 J 150 J ANSWER DOWNLOAD EXAMIANS APP
Physics A passenger standing in a bus is thrown outward when the bus takes a sudden turn. This happens due to Change in acceleration Outward pull on him Inertia of motion Change in momentum Change in acceleration Outward pull on him Inertia of motion Change in momentum ANSWER DOWNLOAD EXAMIANS APP
Physics When a person sitting on a swing stands up on the swing, the frequency of oscillation Decreases Increases Does not change Becomes infinite Decreases Increases Does not change Becomes infinite ANSWER DOWNLOAD EXAMIANS APP
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