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.
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.
18
19
25
37
Correct answer is C
\(\frac{4 \times 10^{-18}}{1.6 \times 10^{-19}} = 25\)
1.44 x 10-7N
7.20 x 10-9N
7.20 x 10-11N
1.44 x 1011N
Correct answer is A
f = \(\frac{1}{4 \pi \mathit{E}_o} \times \frac{Q^2}{r^2} = \frac{9 \times 10^9(2 \times 10^{-2})^2}{(0.05)^2}\)
= 1.44 x 10-2N
be negatively charged
be positively charged
have an excess negatively charges on the side nearest the rod
have an excess positively charges on the side nearest the rod
Correct answer is D
No explanation has been provided for this answer.
d = \(\frac{2t}{\lambda}\)
d = \(\frac{\lambda t}{2T}\)
d = \(\frac{2T}{\lambda t}\)
d = \(\frac{\lambda T}{2t}\)
Correct answer is B
V = \(\frac{2d}{t}\)
f\(\lambda = \frac{2d}{t} = \frac{\lambda}{T} = \frac{2d}{t}\)
Which of the following defects of vision is as a result of the eye ball being too long?
long sight
astigmatism
short sight
loss of accommodation
Correct answer is C
No explanation has been provided for this answer.