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A sound wave of frequency 500 Hz travels at 340 m/s. Find its wavelength.
The charge of an electron is approximately:
A particle is fired with initial speed 30 m/s and lands back at same horizontal level. If its horizontal range is equal to 4.5 times the vertical he...
A current of 5 A flows through a 10 Ω resistor. Find the voltage.
Why does a large fire in the open appear to be fanned by strong winds?
Which of the following quantities is a scalar?
According to Kepler’s third law of planetary motion, the square of the orbital period of a planet is proportional to the __________.
A body moves with uniform acceleration and covers 80 m in 4 s and 160 m in next 4 s. Find initial velocity.
An object at rest will remain at rest and an object in motion will remain in motion until and unless it is acted upon by an external force. This is New...
Which of the following waves require a medium to travel?
