The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Gravitation (Class 11) — quick quiz

4 Punjab CET-pattern questions on Gravitation (Class 11). Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 4

Hard

If the Earth suddenly contracts to half its present radius without change in mass, the duration of a day will become: