NECO Past Questions and Answers - Page 237

1,181.

Young’s modulus of elasticity is the ratio of stress to strain, provided the load does not exceed the

A.

breaking point

B.

elastic limit

C.

plastic limit

D.

stress limit

E.

yield point

Correct answer is B

No explanation has been provided for this answer.

1,182.

A converging lens of focal length 5cm forms a virtual image which is 20cm from the lens. How far from the lens is the object?

A.

2.0cm

B.

4.0 cm

C.

6.7cm

D.

20.0cm

E.

25.0cm

Correct answer is B

No explanation has been provided for this answer.

1,185.

Which of the following is a percussion instrument?

A.

bell

B.

flute

C.

guitar

D.

piano

E.

organ

Correct answer is A

No explanation has been provided for this answer.