evenly distributed over a surface of any shape
concentrate on the inner surface of the conductor
concentrate at the outer flat surface of the conductor
generally concentrated at sharply curved surface
Correct answer is D
No explanation has been provided for this answer.
the friction between the table and the tuning fork generates additional energy
air molecules obsorb sound wave but wood transmit sound waves
the table increases the frequency of the turning fork
a large mass of air is set into vibration by the table
Correct answer is D
No explanation has been provided for this answer.
increase the intensity of sound waves
increases the loudness of the sound waves
reduce the effect of revibration of sound waves
decreases thr frequency of sound waves
Correct answer is C
No explanation has been provided for this answer.
2.062s
0.970s
0.485s
0.242s
Correct answer is C
t = \(\frac{2x}{v} = \frac{2 \times 80}{330} = 0.485s\)
A magnified and virtual image of a near object is produced by
prism binoculas
astronomical telescope
periscope
simple microscope
Correct answer is D
No explanation has been provided for this answer.