WAEC Past Questions and Answers - Page 3519

17,591.

The most common type of business in West African countries is

A.

Joint-stock companies

B.

Sole proprietorships

C.

Partnership

D.

Public enterprises

Correct answer is B

No explanation has been provided for this answer.

17,592.

Charges on a conductor are

A.

evenly distributed over a surface of any shape

B.

concentrate on the inner surface of the conductor

C.

concentrate at the outer flat surface of the conductor

D.

generally concentrated at sharply curved surface

Correct answer is D

No explanation has been provided for this answer.

17,593.

Price elasticity supply measures the responsiveness of quantity supplied to

A.

Change in suppliers' income

B.

Change in price of otther commodities

C.

A change in the pice of the commodities

D.

A change in the demand for the products

Correct answer is C

No explanation has been provided for this answer.

17,594.

The sound from a vibrating tuning sound is louder when the tip of its stem is placed on a wooden table than when in air because

A.

the friction between the table and the tuning fork generates additional energy

B.

air molecules obsorb sound wave but wood transmit sound waves

C.

the table increases the frequency of the turning fork

D.

a large mass of air is set into vibration by the table

Correct answer is D

No explanation has been provided for this answer.

17,595.

Which of the following reasons explains why the walls and ceilings of a standard concert hall are usually covered with perforated pads? To

A.

increase the intensity of sound waves

B.

increases the loudness of the sound waves

C.

reduce the effect of revibration of sound waves

D.

decreases thr frequency of sound waves

Correct answer is C

No explanation has been provided for this answer.