Photons are also known as beta particles. (true or false)
1 answer:
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Answer:
c. the hole in the plate and the opening in the ring get larger.
Explanation:
The hole in the plate and the ring both of them get enlarged.
The thermal expansion is very much similar to the optical expansion of the shadow of an object.
<em>The change in length of an object is given by the relation:</em>
where:
l = original length of the object
coefficient of linear expansion
ΔT = change in temperature