Yes. If you double your distance from the welder's arc, the strength of the light drops to 1/4 of what it was, before.
Double your distance, again, and the light drops another 1/4. And so on . . .
I never look at a welding arc at any distance, because I don't want to take a chance of having eye damage (in this case, the damage may feel like someone threw sand in your eyes, or it might simply burn a hole in your retinas.)
You spelled it correctly: extent. Example: The extent of the flood's damage was not seen until daylight.
True
Examples:What was the extent of the damage done to the vehicle? The earthquake has caused a lot of damage.
The amount of exposure (measured in rads or rems), the duration of exposure, and the type of radiation you are exposted to determine the extent of the damage.
Investigate the extent of utility and facility damages
To what extent refers to how much does the subject of the sentence impact the current task. Example To what extent was the damage to the bridge when the car hit it.
true
It is impossible to answer this question without knowing what is causing the damage and the extent.
Yes they damage, But commercial aircraft do not do that much damage.
extent of vocabulary
depends on the extent of damage to the seed
Tiffany didn't quite understand the extent of the damage she had done.The adverb heavily can mean to a great extent, not necessarily like an actual weight.