Physics Lakes freeze in cold countries in winter, leaving the water underneath at 4°C 0°C 4°F 0°F 4°C 0°C 4°F 0°F ANSWER DOWNLOAD EXAMIANS APP
Physics Pitot tube is used to measure Velocity at stagnation point Static pressure Dynamic pressure Stagnation pressure Velocity at stagnation point Static pressure Dynamic pressure Stagnation pressure ANSWER DOWNLOAD EXAMIANS APP
Physics A ball rolling along the ground gradually slows down and finally comes to rest is due to ________ Electrostatic force Friction Muscular force Magnetic force Electrostatic force Friction Muscular force Magnetic force ANSWER DOWNLOAD EXAMIANS APP
Physics If the velocity of a body is halved its kinetic energy ________ Becomes half Becomes 1/4 th Is also doubled Become 4 times Becomes half Becomes 1/4 th Is also doubled Become 4 times ANSWER DOWNLOAD EXAMIANS APP
Physics Two stones of unequal masses are thrown vertically up with the same velocity. Which of the following will happen? The lighter mass will reach greater height Any of them may reach greater height Both will reach the same height The heavier mass will reach greater height The lighter mass will reach greater height Any of them may reach greater height Both will reach the same height The heavier mass will reach greater height ANSWER DOWNLOAD EXAMIANS APP
Physics A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is Of higher pitch when train departs Of higher intensity when train arrives Of higher pitch when train arrives The same in both cases in all respects Of higher pitch when train departs Of higher intensity when train arrives Of higher pitch when train arrives The same in both cases in all respects ANSWER DOWNLOAD EXAMIANS APP
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