Q.
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
a
26×10−6 ∘C-1,39×10−6 ∘C-1
b
2.6×10−7 ∘C-1,3.9×10−7 ∘C-1
c
6×10−6 ∘C-1,9×10−6 ∘C-1
d
2×10−6 ∘C-1:3×10−6 ∘C-1
answer is A.
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