TG EAMCET 4 May 2025 Shift 2 Paper

Fractional change in time period

‌

∆T

T

‌=‌

1

2

α∆T
‌=‌

1

2

×12×10−6(∕‌∘C)×15∘C
‌=90×10−6

∴ The change in time per day

∆t‌day ‌=(90×10−6)×86400≈7.8s
Since, the temperature increases, the length of the pendulum will increase due to thermal expansion. An increase in the length of the pendulum increases its time period, meaning the clock will tick slower and thus lose time.