LASER ka awishkark kon hai
leser ka awishakar kishne kiya tha
Lesar ka purn rup kya hai
Manushya ke netra ke retina par pratibanb banta hai
Lesar Ka abiskar kisne kiy
Laser ka avishkar kisne kiya
Leser ks aviskarkisne kiya
भारत में चेचक का उन्मूलन कब हुआ था
T.H menan
Laser ka aviskar kisne kiya tha
Lejar Rashmi ka abiskar konse desh main hua tha ?
Laser was invented by
Leser ka avishkar kisne kiya
Lezar ka aviskar kisne Kiya
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