WAEC Physics Past Questions & Answers - Page 271

1,351.

A body of mass 7.5 kg is to be pulled up along a plane which is inclined at 30^o to the horizontal. If the efficiency of the plane is 75%, what is the minimum force required to pull the body up the plane?
(g = 10ms^-1)

A.

5.0 N

B.

20.0 N

C.

50.0 N

D.

75.0 N

E.

200.0 N

View answer & explanation

Correct answer is C

No explanation has been provided for this answer.

1,352.

A student found out from a simple pendulum experiment that 20 oscillations were completed in 38 seconds. What is the period of oscillation of the pendulum?

A.

8.0s

B.

3.8 s

C.

2.0 s

D.

1.9 s

E.

0.5s

View answer & explanation

Correct answer is D

No explanation has been provided for this answer.

1,353.

A boy cycles continuously through a distance of 1.0 km in 5 minutes. Calculate his average speed

A.

0.3ms^-1

B.

3.3ms^-1

C.

16.6ms^-1

D.

20.0ms^-1

E.

200.0ms^-1

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

1,354.

Which of the following is a fundamental quantity?

A.

Heat capacity

B.

Electric current

C.

Torque

D.

Reactance

E.

Density

View answer & explanation

Correct answer is B

No explanation has been provided for this answer.

1,355.

Which of the following are emitted from a radioactive substance without altering either the nucleon number or the proton number of the substance?

A.

Gamma rays

B.

Alpha particles

C.

Beta particles

D.

Protons

E.

Neutrons

View answer & explanation

Correct answer is A

No explanation has been provided for this answer.

WAEC Subjects

English Language

Agricultural Science

Physical Education

Further Mathematics

Literature in English

Islamic Religious Knowledge

Christian Religious Knowledge

Office Practice

Civic Education

Aptitude Tests

Quantitative Reasoning Questions and Answers

Nigeria General Knowledge Questions and Answers

Data Interpretation Questions and Answers

Puzzles Questions and Answers

Logical Reasoning Questions and Answers

Abstract Reasoning Questions and Answers

Verbal Reasoning Questions and Answers

Numerical Reasoning Questions and Answers

Typing Speed and Accuracy Test

Situational Judgement Questions and Answers

Spatial Reasoning Questions and Answers

Personality Test

Microsoft Office Questions and Answers

View latest jobs in Nigeria today