17,626.
Which of the following concept is not an evidence of the particle nature of matter?
A.
diffusion
B.
brownian motion
C.
diffraction
D.
crystallization
Correct answer is D
No explanation has been provided for this answer.
17,627.
A.
conduction
B.
single touch
C.
induction
D.
divided touch
Correct answer is C
No explanation has been provided for this answer.
17,628.
A.
20 Hz
B.
10 Hz
C.
5 Hz
D.
4 Hz
Correct answer is B
No explanation has been provided for this answer.
17,629.
A.
0.00cm3
B.
9.00cm3
C.
10.00cm3
D.
90.00cm3
Correct answer is C
\(\Delta\)y = Vice - Vwater
= \(\frac{90}{0.9} - \frac{90}{1} = 10cm^3\)
17,630.
A.
3.300
B.
1.279
C.
0.932
D.
0.782
Correct answer is D
R.d = Wt in Air-Wt in Air-Wt in water
= \(\frac{60.0 - 48.2}{60.0 - 44.9}\)
= 0.782
WAEC Subjects
Aptitude Tests