Questions

A body of mass 2 kg is thrown upward with initial velocity of 20 m/s. After 2 seconds, its kinetic energy will be : (g = 10 m/sq.s)

Propagation of sound can be visualised as propagation of ____________ variations in the medium

One nanometer is equal to _____________ meters.

The SI unit of acceleration is _______________.

What is the unit of the physical quantity, Electrical conductance?

_________ is a natural electrical phenomenon characterized by the appearance of streamers of reddish or greenish light in the sky, especially near the northern or southern magnetic pole.

An earthquake of magnitude 6 on Richter scale has ______________ times more destructive energy than an earthquake of magnitude 4.

_________ affect the rate of humus formation of soil.