Author Question: In a certain region of space, a uniform electric field is in the x direction. A particle with ... (Read 187 times)

lidoalex · **on:** Jul 28, 2018

In a certain region of space, a uniform electric field is in the x direction. A particle with negative charge is carried from x = 20.0 cm to x = 60.0 cm. The particle moves to a position where the electric potential is:
1.higher than before.
2.unchanged.
3.lower than before.
4.unpredictable.

Question 2

Distinguish between reflection and refraction.

nothere · **Reply #1 on:** Jul 28, 2018

Answer to Question 1

3

Answer to Question 2

Reflection is a change in wave direction due to the bouncing back from a boundary
between two media. Refraction is a change in wave direction due to a change in the
velocity of the wave as it moves into a new media.