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.
are longitudinal
have same frequency
have the same wavelength
travel at the same speed in a vacuum
Correct answer is D
No explanation has been provided for this answer.
165.0 ms-1
330.0ms-1
41.5ms-1
85.0ms-1
Correct answer is B
v = f\(\lambda\)
= 825 x 0.4
= 330.0ms-1
v = f2\(\lambda\)
f = \(\frac{v}{\lambda}\)
f = \(\frac{v}{\lambda^2}\)
\(\lambda = \frac{f}{v^2}\)
Correct answer is B
No explanation has been provided for this answer.
expand
collide less often
move more rapidly
contract
Correct answer is C
No explanation has been provided for this answer.
the freezing point is lowered
the freezing point is increased
there is no change in the freezing point
the change in the freezing point depends on the temperature of the surrounding
Correct answer is A
No explanation has been provided for this answer.