JAMB Physics Past Questions, Answers & Explanations - Physics

Jamb Physics Questions

Question 16:

A vapour is said to be saturated when

A A dynamic equilibrium exists between liquid molecules and the vapour molecules
B A dynamic aquilibrium exists such that more molecules return to the liquid than are living it
C The temperature of the vapour varies
D The vapour pressure is atmospheric

Question 17:

The pressure of one mole of an ideal gas of volume 10^-2 m³ at a temperature of 27°c is
[molar gas constant = 8.3 J mol^-1 k^-1]

Question 18:

Which of the following has no effect on radiation?

Question 19:

The wavelength of a wave traveling with a velocity of 420 ms^-1 is 42 m. what is its period?

Question 20:

The sound of an electricity bell dies down slowly when air is slowly pumped out from a bottle because