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An object initially at rest explodes into several fragments. If no external forces act during the explosion, the center of mass of the fragments will:

A non-conducting sphere of radius R has a radially varying charge density ρ(r) = k•r. Find the electric field at a distance r < R.

In the equation of motion (2as = v² - u²), (s) represents:

Half-life of a radioactive substance is 10 days. The time after which only 1/16th of it remains is:

The rate of transfer of charges through a circuit is called?

Tungsten is used for the manufacture of the filament of an electric bulb, because –

A 220 V, 100 W bulb is connected to a 110 V source. Calculate the power consumed by the bulb

What is the point called where the total mass of a body is considered to be concentrated?

Which of the following gas is used in the manufacture of Vanaspati Ghee?