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How long does an image remain on the retina after the object is removed?

The polarization of electromagnetic waves demonstrates that they are:

If a force is applied to two stationary objects with different masses for the same duration, what will be the same for both objects?

In the equation of motion ( v = u + at ), ( u) represents:

Which gate gives a high output only when both inputs are low?

A new technology which provides the ability to create an artificial world and have people interact with it is called –

Which law states that the induced electromotive force (e.m.f.) is proportional to the rate of change of magnetic flux linkage?

The pitch of a sound is determined by its:

If a body of mass 5 kg is raised to 10 meters height, find its potential energy. (g = 9.8 m/s²)  

What is inertia?