Physics questions and answers

Physics Questions and Answers

If you want to learn more about the nature and properties of matter and energy or you're simply preparing for a Physics exam, these Physics past questions and answers are ideal for you.

3,396.

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

Correct answer is B

No explanation has been provided for this answer.

3,397.

Which of the following is a fundamental quantity?

A.

Heat capacity

B.

Electric current

C.

Torque

D.

Reactance

E.

Density

Correct answer is B

No explanation has been provided for this answer.

3,398.

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

Correct answer is A

No explanation has been provided for this answer.

3,399.

When an atom is in the ground state, it is said to be

A.

grounded

B.

excited

C.

stable

D.

ionized

E.

radiating

Correct answer is C

No explanation has been provided for this answer.