Skip to content

Course home

Sign up

2.1.2a Particle structure and motion in solids, liquids and gases

EasyMediumHard
123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129
Question 49

A rigid, sealed metal canister contains helium gas. The canister is placed in a freezer, causing the temperature of the helium gas to decrease.

What is the effect on the average speed of the helium atoms, and the average distance between them?

A

Average speed decreases; average distance decreases.

B

Average speed decreases; average distance stays the same.

C

Average speed increases; average distance decreases.

D

Average speed increases; average distance stays the same.

Markscheme

2.1.2a Particle structure and motion in solids, liquids and gases Questions

  1. IGCSE
  2. /Physics
  3. /2.1.2a Particle structure and motion in solids, liquids and gases

151 exam-style questions on CIE IGCSE Physics 2.1.2a Particle structure and motion in solids, liquids and gases. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank