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

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Lov u mam ❤❤

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Best wishes ma’am

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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