Physics

A centripetal force is a net force that acts on an object to keep it moving along a circular path.

the full form of ”AM’ regarding radio broadcasting is Amplitude Modulation.

In the gamma decay of a nucleus neither the mass number nor the atomic number of the nucleus changes.

When water freezes its density decreases. Water at ordinary temperatures contracts and increases in density as it is cooled, like most substances. But at about 4°C it reaches a maximum density and then decreases in density as it approaches the freezing point.