DAY 4 (PART 1) OF 90 DAYS REVISION FOR CLASS 12 PHYSICS CBSE BOARD SUNIDHI MA'AM

[@brainseducation]

Best wishes ma’am

[@SerenityStoriesChannel]

Lov u mam ❤❤

[@urmilayadav5653]

Nice❤❤❤❤

[@ashadahmad651]

Unfortunately humarey yaha welder facemask nahi pehnte wo log koi goggles lagatey hai eyes pe so I don't know the answer of 1st question.
1) but I suppose it would x-ray. IDK don't judge me
2) Some sort of electro magnetic wave
3) FM/AM Waves idk really just a guess