WAEC Past Questions and Answers - Page 3546

17,726.

Marginal cost can be derived from the

A.

Total product

B.

Total revenue

C.

Total cost

D.

Average fixed cost

Correct answer is C

No explanation has been provided for this answer.

17,727.

The force between the molecules of a liquid in contact with that of a solid is

A.

adhesive

B.

cohesive

C.

magnetic

D.

repulsive

Correct answer is A

No explanation has been provided for this answer.

17,728.

The duality of matter implies that matter

A.

exists as a particle of dual composition

B.

has momentum and energy

C.

has both wave and particle properties

D.

is made up of dual materials

Correct answer is C

No explanation has been provided for this answer.

17,729.

When the total products is at its maximum, marginal products is

A.

Increasing

B.

Positive

C.

Negative

D.

Zero

Correct answer is D

No explanation has been provided for this answer.

17,730.

Electrons passing through crystals are diffracted because they

A.

are repelled by the atoms in the crystal

B.

are attracted by the atoms in the crystals

C.

possess wave properties

D.

are particles

Correct answer is C

No explanation has been provided for this answer.