Because the light from it travels to you about 874 thousand times
as fast as the sound does, so the hearing part falls behind the seeing
part.
Answer:
c
Explanation:
the loud noise can reduce the quality of the analog signal
<span> the angle of reflection is
30 degrees</span>
Answer:
Explanation:
Given that
L= 15 m
T= 1.5 N
μ =0.0045 kg/m
f= 4 Hz
We know that
Velocity in string V is given as

Now putting the values in the above equation we get

We know that
V= f λ

