Answer:
50 Hz
Explanation:
The frequency of a wave is given by
where
v is the speed of the wave
is the wavelength
In this problem,
v = 60 m/s
So the frequency is
Convex mirrors can only produce virtual images because the focal point and the center of curvature of the convex mirror are imaginary points and that cannot be reached.
<h3>What is virtual image?</h3>
This is referred to the opposite of a real image and cannot be obtained on a screen. It is formed from the apparent divergent of light rays from a point and not the actual one which is the major difference it has with a real image.
It is usually produced by a convex mirror because the focal point and the center of curvature of the convex mirror are imaginary points which can't be reached.
Read more about Convex mirrors here brainly.com/question/14269744
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Answer:
A is true
Explanation:
Other all are wrong I guess
