The answer is A. Refraction
Refraction is a change in direction of propagation of a wave due to a change in its transmission medium, by maintaining its frequency while changing the wave velocity at the same time will allows radios to receieve signals even though when they're not in line
You would make rings of clay and then place the beads on the rings (one on each) at various places and one in the center for the nucleus.
The answer to this question is:
C-"That moving clocks run slower"
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Answer:
The correct option is B
Explanation:
Although, it is common knowledge that in an electric field, unlike charges attract and like charges repel. However, to build up an electric potential, a positive charge is brought close to another positive charge - this causes work done to be changed to electric potential energy and stored in the electric field.
It should however be noted that when a negative charge is moved away from a positive charge, the negative charge gains electric potential energy.
