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.
Which of the following statements is not a characteristic of a plane progressive wave?
Energy travels out through the medium
Neighboring points along the profile possess different amplitudes
Neighboring points along the profile possess the same amplitude
Neighboring particles vibrate with different phase
Correct answer is B
No explanation has been provided for this answer.
2s
4s
5s
1s
Correct answer is A
No explanation has been provided for this answer.
105 J
100 J
42 J
210 J
Correct answer is D
No explanation has been provided for this answer.
The following statements about a loudspeaker are correct except?
its contains a permanent magnet
sound signal converted to varying current signal enters the speech coil
the current in the speech coil creates a magnetic force on the coil
the magnetic force on the speech coil is uni-directional.
Correct answer is A
No explanation has been provided for this answer.
175.0 g
150.0 g
100.0 g
187.5 g
Correct answer is A
No explanation has been provided for this answer.