Jamb Physics 1981 Past Questions and Answers

Question 6:

• JAMB 1981

The principle of transmissibility of pressure in a fluid at rest in all directions is known as

A. Archimede's principle
B. Flotation Principle
C. Newton's lwa
D. Pascal's law
E. Boyle's law

Question 7:

• JAMB 1981

When fixed mass of an ideal gas expands at constant temperature, which property of the gas molecule increases?

A. Average number per unit volume
B. Average kinetic energy
C. Average speed
D. Average seperation
E. Average number of collisions per unit time

Question 8:

• JAMB 1981

Which of the following does NOT describe the image formed by a plane mirror?

A. Erect
B. Laterally inverted
C. Same distance from mirror as object
D. Magnified
E. Virtual

Question 9:

• JAMB 1981

If a source of sound is moving, a stationary listener will hear a sound of different frequency. This is called

A. Doppler effect
B. Resonance
C. Ultra sound
D. Diffraction of sound
E. Rarefaction

Question 10:

• JAMB 1981

Which of the following elements are real magnetic materials?

A. Iron, steel and nickel
B. Copper, steel and iron
C. Lead, iron and brass
D. Glass, lead and steel
E. Stone, air and iron