Q.

A clock with an iron pendulum  keeps correct  time at 15°C . If  the coefficient  of linear expansion of iron is 0.000012/0C and the room  temperature is 20°C it loses in a day

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

1.3 s

b

2.6 s

c

3.2 s

d

3.8 s

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

Time lose = 12×αΔt×86,400=12×12×10−6×5×86,400=30×86,400×10−6=3×8.64×10−1= 2.6 sec
Watch 3-min video & get full concept clarity
score_test_img

Get Expert Academic Guidance – Connect with a Counselor Today!

whats app icon