state gov Kerala PSC Degree (Common Preliminary Examination) Mock Test Series 2025 General Science Physics Pressure
The speed at which the hot air balloon rises depends mainly upon which of the following?
1. Latitude of the place
2. Temperature of the gas
3. Material of the balloon
Select the correct answer using the code given below.
1
1 only
2
2 only
3
1 and 3 only
4
1, 2 and 3