You cannot light a wooden torch in space because there is no oxygen to support the burning. A normal electric torch would also fail to work if its temperature had dropped too low as the batteries wouldn't produce enough current.
use a torch
The currents flow through the torch and we get light from the torch
No. A light year is the distance travelled by light in one year. So if you flash your torch into space, a light year is how far that light will have reached after one year. This is approx 9.46 trillion kilometres although by that time it will be so faint as not to be visible!
No, torches require oxygen to burn and produce light. In the vacuum of space, there is no oxygen present for a torch to function.
A torch is carried to help people see in the dark of night.
It provides the light in the torch
The light that a torch gives out is typically called a beam or a beam of light.
There is not more brightness for laser torch light. The light brightness is based on unit lumens. Lumens is more, the touch light is more lighter.
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a torch that emits ultra-violet light
To operate a torch with a red light, simply turn on the torch and switch to the red light setting. Adjust the brightness as needed and point the light in the desired direction.
A torch typically emits around 15-100 lumens of light, depending on the type and brand of the torch.