Function of ball bearing in a wheel is -
Rocket acts on Law of conservation of-
Weight of a free falling body is -
Water drop cannot stick to the oily surface due to
Why the rain drops acquired the spherical shape?
A fountain pen works on the principle of-
The part of transistor which is heavily doped to produce a large number of majority carriers is -
Time period of Revolution for a Geo-stationary satellite is-
What is the Height of a Geo-Stationary satellite from the surface of earth?
Rice is cooked more quickly in a pressure cooker because -
For a missile Launched with A velocity Less than the escape velocity of earth, the total energy is
Cooking of Rice is Harder -
What is the working principle of Rocket?
What should a person on a freely rotating turn able to decrease his angular speed?
Energy stored in a spring in watch -
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