The key word in here is reflects. The answer is D.
In C, they use the term refracts. Have you ever put a straw in a glass of water and seen it distorted when you look at it from the side? That is refraction. It can result in a distorted image. In D, they use the term reflects.
The velocity is extraneous information. Frequency is the inverse of the period, thus the frequency of the wave is 1/3 Hz.
You don't. Although tons of stories have been written about it,
and loads of scientific speculation about how it maybe possibly
might be done, it's never been done.
<span>The erratum in this sentence is that clothes are removed from the water by the action of centripetal force. The holes in the washing machine drum enables the clothes to move along the circular path. The holes also enable the water to escape from the machine and pushes the water to move alon gthe circular motion as well. While there is motion, the holes keep the clothes moving inward.</span>
What is a projectile give example?
The motion of such a particle is called Projectile Motion. In the above diagram, where a particle is projected at an angle θ, with an initial velocity u.
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Few Examples of Two – Dimensional Projectiles.