To pinpoint a Criminal, Forensic Department uses the technique called?
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In a longitudinal wave, the distance between two consecutive compressions and two consecutive refractions is called
Mechanical energy is equal to
Which of the following Newton's laws of motion can explain why a ball thrown at a wall rebounds?
Definition of Force can be stated from:
The forces between two bodies are always equal and opposite. This idea is stated in the form of Newton's
The SI unit of electric charge is
A man lifts a luggage of 25 kg from the ground and puts it on the head, 2.5 m above the ground. If the value of g = 10 m/s2, then the value of work done by him on the luggage is
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