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.

1,321.

A Uniform beam PQ of mass 20kg and length 5m is balanced as shown above, a man of weight 800N stands at M such that QM = 2m. The reaction at P and Q respectively are(take g = 10ms-2)

A.

300N and 500N

B.

420N and 580N

C.

220N and 380N

D.

580N and 420N

E.

382N and 220N

Correct answer is B

No explanation has been provided for this answer.

1,322.

a body is acted upon by forces applied at points P and Q as shown above their resultant is equal to

A.

2√5N in a direction N 56◦ E

B.

2√5N in a direction N 56◦ W

C.

2√13N in a direction N 56◦ E

D.

2√13N in a direction N 56◦ W

E.

√10N in a direction N 56◦ E

Correct answer is C

No explanation has been provided for this answer.

1,323.

what is the resultant resistance in the circuit given above

A.

11Ω

B.

8Ω

C.

4Ω

D.

3.6Ω

E.

4.3Ω

Correct answer is B

No explanation has been provided for this answer.

1,324.

what is the resultant capacity of the circuit

A.

1.5µF

B.

18.0µF

C.

6.0µF

D.

6.8µF

E.

8.83µF

Correct answer is A

No explanation has been provided for this answer.

1,325.

the arrow represents an object in front of a convex mirror whose focal points are X and Y. The image formed is

A.

between X and P

B.

Between P and Y

C.

Between Y and Z

D.

Outside W

E.

Outside Z

Correct answer is B

The image produced by a convex mirror is always virtual, and located behind the mirror.

When the object is far away from the mirror the image is upright and located at the focal point.