I have a night light in my bath room. It’s an LED light if that matters. It is angled toward the mirror.?
Because it is reflected in the mirror , does that supply more light or does it make no difference.
The total amount of light generated by the LEDs is constant; you are dealing with the phenomenon known as “antenna gain.” If you put a reflector behind a radiant energy source, the amount of energy (in this case, visible light) that can be “seen” from a PARTICULAR POSITION will be approximately doubled.
Imagine a 100 watt light bulb standing on a table. You see 100 watts. Now place a mirror out beside it at a 45 degree angle. From the proper position, you now see 200 watts. Place a second mirror on the other side to see 300 watts, and so on. The amount of light produced by the 100 watt bulb does not increase; it’s just that the amount of light directed toward YOU is amplified.
This is why satellite dishes have a parabolic shape. Try an internet search on “antenna gain.”
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