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.
0.95m
0.60m
0.50m
0.45m
Correct answer is D
In vibration in a closed pipe/tube, the first resonance occurs at a position L = V/4f,
when reading from the top of the tube,
L1 = | _340 |
4 x 340 |
L2 = | 3 x 340 |
4 x 340 |
L3 = | 5 x 340 |
4 x 340 |
A satellite is in a parking orbit if its period is
less than the period of the earth
more than the period of the earth
equal to the period of the earth
the square of the period of the earth
Correct answer is C
A satellite is said to be in a parking orbit if its period is exactly equal to the period of the earth as it turns its own orbit;. which is about 24hrs
2.45 x 108 Nm-2
3.45 x 108 Nm-2
4.90 x 108 Nm-2
2.42 x 108 Nm-2
Correct answer is A
No explanation has been provided for this answer.