WAEC Past Questions and Answers - Page 3177

15,881.

What is the ratio of expenditure on health to agriculture?

A.

2.3

B.

3.4

C.

4.3

D.

5.4

Correct answer is B

No explanation has been provided for this answer.

15,882.

If the budget of the country was $7,200, how much is allocated to Education?

A.

$2,400.00

B.

$2,000.00

C.

$1,200.00

D.

$1,000.00

Correct answer is A

No explanation has been provided for this answer.

15,883.

The image formed by a concave mirror is real, inverted and magnified, when object is placed

A.

at the focus

B.

at the centre of curvature

C.

beyond the centre of curvature

D.

between the centre of curvature and the focus

Correct answer is A

No explanation has been provided for this answer.

15,884.

X-rays and infrared rays are both electromagnetic. Which common property do the waves have? Both waves

A.

are longitudinal

B.

have same frequency

C.

have the same wavelength

D.

travel at the same speed in a vacuum

Correct answer is D

No explanation has been provided for this answer.

15,885.

The distance between two successive trough of a wave is 0.4m. If the frequency of the source is 825Hz, Calculate the speed of the wave

A.

165.0 ms-1

B.

330.0ms-1

C.

41.5ms-1

D.

85.0ms-1

Correct answer is B

v = f\(\lambda\)

= 825 x 0.4

= 330.0ms-1