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The group velocity of matter waves associated with a moving particle is:
In a closed organ pipe, the frequencies of vibration are in the ratio:
A meter stick moves along its length with a certain speed. The apparent length of the moving meter stick as measured by a stationary observer on the gr...
When a cannonball is fired, its motion is an example of which type of motion?
If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-
What is the function of a fuse in an electric circuit?
The movement of a train is an example of what type of motion?
A uranium nucleus undergoes fission and releases 200 MeV per event. If 1 gram undergoes complete fission, the energy released in kWh is:
Which of the following is an example of a non-renewable source of energy?
A current element is placed at origin. At point P(1 mm,1 mm), the magnetic field due to this element is:
