JAMB Physics Past Questions (2014)

A machine whose efficiency is $75\%$ is used to lift a load of $1000\text{N}$. Calculate the effort put in the machine if it has a Velocity ratio of $4$.

The small droplet of water that forms on the grass in early hours of the morning is

A wheel and an axle is used to raise a load whose weight is when an effort of $250\text{N}$ is applied. If the radii of the wheel and axle are $800\text{mm}$ and $200\text{mm}$ respectively, the efficiency of the machine is

A force of $500\text{N}$ is applied to a steel wire of cross-sectional area $0.2\text{m}^2$, the tensile stress is

The energy in the nucleus of atoms produce heat which can be used to generate

PHCN measures its electrical energy in

Calculate the escape velocity of a satellite launched from the earth's surface if the radius of the earth is $6.4 \times 10^6\text{m}$

Which question paper type of physics is given to you

Which gas produces a pink coloured light in a discharge tube?

A quantity which requires magnitude and direction to be specified is