In which type of motion does the velocity of a body vary with time?
Why does a fountain pen leak on an airplane flying at high altitude?
Half-life of a radioactive substance is 10 days. The time after which only 1/16th of it remains is:
For a cell terminal potential difference is 3.5 V when circuit is open and reduces to 2.5 V when cell is connected to a resistance of R = 10Ω then...
Which law states that the current through a conductor is directly proportional to the voltage across it?
The pitch of a sound is determined by its:
A particle with charge q = 2 μC moves through a magnetic field B = 0.5 T with velocity v = 4 m/s at angle 60°. Find magnitude of magnetic force.
An object is placed 10 cm from a convex mirror of focal length 15 cm. Find the position of the image.
A machine does 600 J of work in 2 minutes. Find its power.
In streamline flow through a horizontal pipe, at one point the cross-sectional area is 4 cm² and velocity is 8 m/s. If at another point the cross-secti...
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