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.
5s
10s
20s
40s
Correct answer is B
t = \(\frac{v - u}{a}\) = \(\frac{0 - 20}{-2}\) = 10s
8s
4s
2\(\sqrt{2}s\)
\(\sqrt{2}s\)
Correct answer is C
T2 = \(\sqrt{\frac{L^2 \times T_1^2}{L_1}}\)
= \(\sqrt{\frac{0.8 \times 2^2}{0.4}}\)
= 2\(\sqrt{2}s\)
The pair of physical quantities that are scalar only are ?
volume and area
moment and momentum
length and displacement
Impulse and time
Correct answer is A
This is because volume and the area have only magnitude but no direction
100.0N
57.7N
43.3N
25.0N
Correct answer is C
F = 50Cos30o = 43.3
When a brick is taken from the earth's surface to the moon, its mass
remains constant
reduces
increases
becomes zero
Correct answer is A
No explanation has been provided for this answer.