Physics 0.0 / 5 ? PhysicsMixedA2/A-levelAQA Created by: John SalmonCreated on: 31-03-18 12:12 If a mass has a gravitational force on it, then we say it is a....? gravitational field 1 of 8 What colour is spectral class K? orange 2 of 8 What colour is the spectral class that can be at a temperature of 6500K? white 3 of 8 A ..... is any physical quantity that has a direction and magnitude? vector 4 of 8 A .... is a pair of equal and opposite forces acting on a body, but not along the same line? couple 5 of 8 What are particles made up of quarks? hadrons 6 of 8 Baryon number is always....? conserved 7 of 8 What takes place when a proton changes into a neutron in a unstable nucleus with too many protons? positron emission 8 of 8
Comments
No comments have yet been made