At the focal point
At the centre of curvature
Beyond the centre of curvature
Between the focal point and the pole
Between the focal point and the center of curvature
Correct answer is A
No explanation has been provided for this answer.
At F
Beyond C
Between O and P
Between P and F
Between F and C
Correct answer is D
No explanation has been provided for this answer.
4.00
2.00
1.33
1.50
0.25
Correct answer is B
1/U + 1/V = 1/f
f = r/2 = 10cm; 1/15 + 1/v = 1/10
v = 30 = m = v/u = 2
I only
II only
III only
I and III only
II and III only
Correct answer is D
No explanation has been provided for this answer.
I, II and IV only
I, II and III only
I and II only
II, III and IV only
l, III and IV only
Correct answer is B
Constructive and destructive interference result from the interaction of waves that are correlated or coherent with each other, either because they come from the same source or because they have the same or nearly the same frequency.
WAEC Subjects
Aptitude Tests