Question

When tall buildings are constructed on earth, the duration of day night

• A. slightly increases
• B. slightly decreases
• C. has no change
• D. none of these

Answer 1

The correct option is A slightly increases

Moment of inertia $I$ inerease. Therefore, $\omega$ decreases (as $I\omega =$ constant). Hence time period increases
$(asT=\frac{2\pi }{\omega })$