Which of the following statements about the pressure in a liquid is NOT correct? It

In which of the following fields is repulsion NOT experienced?

The defect of the eye lens which occurs as a result of weak ciliary muscles is called

The space between the two walls of a vacuum flask is completely evacuated to reduce heat loss by

Determine the value of x from the nuclear reaction below, \(^{222}_{86}Rn\) → \(^{x}_{88}Ra\) + 2β + energy

Which of the following substances undergoes sublimation?

An observer heard the sound of thunder 5.8s after the lightning flash was seen. How far was he from the source? [Speed of sound in air = 330ms-1]

Two forces of magnitude 8N and 4N act at right angle to each other. The angle between the resultant and the 8N force is

A ball of mass 100g falls from a height of 5m onto a concrete floor and rebounds to a height of 3m. Calculate the energy lost. (g = 10ms-2)