Physics Online Quizzes Subject Knowledge

Physics Quiz 09

Written by Muhammad Arslan

With the help of dimensions method it can be proved that frequency of a stretched wire

A projectile is fired at an angle of 37° with an initial speed of 100 m/s. What is the approximate versicle component of its velocity after 2s?

The correct unit of magnetic flux in SI system is

The static friction is

Which of the following pairs have identical dimensions?

A 40kg cart moving at 3 m/s makes a head a head-on collision with a 20 kg cart at rest, as illustrated in Fig. 1.If the collision is completely inelastic, the speed with winch the carts leave the impact is approximately

If C is proportional to D, then

A satellite travels in a circular orbit at a speed of 20,000 km/hr to stay at a constant altitude. To escape from the earth, the speed would have to be increased to

When a body undergoes an acceleration

If the earth stopped rotating, the weight of objects at the equator would

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