◈ Oracle PrepSign Up Free
O-LevelPhysicsThermal Physics5054/11 · May/June 2011 · Q161 Mark

A balloon filled with air is gently heated. What happens to the mass and the density of the air inside the balloon?

Amass: decreases, density: decreases
Bmass: decreases, density: stays the same
Cmass: stays the same, density: decreases
Dmass: stays the same, density: stays the same

✓ Correct answer

C: mass: stays the same, density: decreases

Practise more questions on this topic

Oracle Prep sorts past-paper questions by topic, so you can drill Thermal Physics and see which topics are most likely to come up next.

Sign up free →

About this question

Topic
Thermal Physics, O-Level Physics (syllabus 5054). Multiple choice, 1 mark.
Source
O-Level Physics, May/June 2011 Paper 1 Variant 1, question 16.

Questions and mark schemes are from past examination papers and remain the copyright of the exam board. How Oracle Prep builds its content

Related Physics questions

Thermal PhysicsMay/June 20111m

According to the kinetic theory, matter is made up of very small particles in a constant state of motion. Which row b…

Thermal PhysicsMay/June 20111m

A certain liquid is used in a liquid-in-glass thermometer. It does not expand uniformly with temperature. What effect…

Thermal PhysicsMay/June 20111m

An ice pack is used to cool 0.25 kg of water. The specific heat capacity of water is 4.2 kJ/(kg°C). How much thermal …

LightMay/June 20111m

In which diagram is the path of the light ray not correct?

LightMay/June 20111m

The ray diagram shows two rays from a point on an object placed in front of a diverging (concave) lens. What are the …

WavesMay/June 20111m

Which application may use the part of the electromagnetic spectrum called microwaves?

← Browse all past-paper questions

© 2026 Oracle Prep