NECO Physics Past Questions & Answers - Page 9

41.

The equation PxVyTz = Constant is Charles’ law if

A.

x = 0, y = 1 and z = -1

B.

x = 0, y = -1 and z = 1

C.

x = 1, y = 1 and z = 0

D.

x = 1, y = 1 and z = -1

E.

x = 1, y = 1 and z = 1

Correct answer is A

No explanation has been provided for this answer.

43.

The most suitable instrument for measuring the diameter of a thin wire is a

A.

meter rule

B.

micrometer screw gauge

C.

pair of dividers

D.

pair of engineer’s calipers

E.

venire calipers

Correct answer is B

No explanation has been provided for this answer.

45.

Which of the following statements is correct about volatile liquids? They have

A.

low boiling point

B.

Low evaporating rate

C.

high conductivity

D.

high density

E.

high viscosity

Correct answer is A

No explanation has been provided for this answer.