Jamb Physics 1981 Past Questions and Answers

Question 31:

• JAMB 1981

Two particles X and Y starting from rest cover the same distance. The acceleration of X is twice that of Y. the ratio of the time taken by X to that taken by Y is

A. \(\frac{1}{2}\)
B. \(\frac{1}{\sqrt2}\)
C. \(\frac{1}{\sqrt2}\)
D. \(\sqrt 2\)
E. 4

Question 32:

• JAMB 1981

a balloon inflated with helium gas at ground level is released. As it rises through a constant temperature atmosphere.

A. Its pressuren reduces but volume remains constant
B. Te product of pressure and volume remains constant
C. Both pressure and volume increases
D. Its pressure remains constant but the volume decreases
E. Both pressure and volume remains constant

Question 33:

• JAMB 1981

Change of state is accompanied by change of

A. Temperature
B. Volume
C. Heat content
D. Temperatureb and volume
E. Volume and heat content

Question 34:

• JAMB 1981

The quantity (timbre) of sound depends on

A. Amplitude
B. Frequency
C. Harmonics
D. Velocity
E. Wavelength

Question 35:

• JAMB 1981

The mass of a proton is approximately equal to that of

A. An \(\alpha\)-particle
B. A \(\beta\)-particle
C. \(\gamma\)-ray
D. An electron
E. A neutron