Q.
A length of 2m is measured using a metal tape at 100C. It is calibrated at a temperature 300C. The actual length is (α = 1 x 10-4/C0)
see full answer
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
2.004 m
b
1.996 m
c
1.004 m
d
0.004 cm
answer is B.
(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
Thermal contraction of 2m length = Actual length = 2 - (0.004) = 1.996m
Watch 3-min video & get full concept clarity