Q.
When the temperature of a metal wire is increased from 00C to 100C, its length increased by 0.02%. The percentage change in its mass density will be closest to:
see full answer
Talk to JEE/NEET 2025 Toppers - Learn What Actually Works!
Real Strategies. Real People. Real Success Stories - Just 1 call away
An Intiative by Sri Chaitanya
a
0.06
b
2.3
c
0.008
d
0.8
answer is A.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
ρ=MV⇒Δρρ=ΔVV⇒Δρρ=3αΔT⇒Δρρ=3Δll=0.06%
Watch 3-min video & get full concept clarity