What is frequency of sound in air?
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Is air travel time the same whether or not the plane is flying with or against the rotation of the earth?
Suppose a car is traveling at 72kmph, and if that car slows down to 60kmph it takes an extra 1 hour to cover that same distance. At 72kmph, how long did it take forthe car to cover that distance?
Why we put the time (t) always in x-axis?
What is centrifugal force?
Laser is an acronym for what?
Why dies a cricket player lower his hands, while catching the ball ?
What is the difference between a lens and a mirror?
why is a coin in a vessel not vissible when seen fromjust below the edge of the vessel but can be viewed from the same position when water is poured into the vessel ?
What is Caustic soda ?
When a porcelain dish or a glass material are falling on the floor, it breaks but on falling on sofa or sponge it will not break. Why?
Explain what is the transparent?
On breaking a magnet, how many poles will be got ?