निम्नलिखित में से किस एलईड – McqOptions

MCQOPTIONS

1.	निम्नलिखित में से किस एलईडी(LED) रोशनी से अल्जाइमर का इलाज हो सकता है?
A.	सफ़ेद LED
B.	लाल LED
C.	पीली LED
D.	नीली LED
Answer» E.

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