25. Describe typical uses of the different regions of the electromagnetic spectrum including: 1. radio waves; radio and television transmissions, astronomy, radio frequency identification (RFID) 2. microwaves; satellite television, mobile phones (cell phones), microwave ovens 3. infrared; electric gril...
takes longer rease; Ignore skidding, sliding, slippery road less friction/ less grip Question Answer Notes Marks number 4 (a) change in direction of waves at a boundary ALLOW change in speed 1 ALLOW idea of ‘boundary’ such as changing medium, or examples such as ‘going from air into a...
INTERNATIONAL GCSE PHYSICS 4PH0/2P –SUMMER 2011 Question Answer Notes Marks number 1 (a) (i) B - Moon 1 (ii) C - net 1 (iii) B - Gravity 1 (b) (i) Milky Way 1 (ii) Universe 1 (c) A – surface of the Moon 1 (d) C – N/kg 1 Total 7 marks Question Answer Notes ...
INTERNATIONAL GCSE PHYSICS 4PH0/2P –SUMMER 2011 Question Answer Notes Marks number 1 (a) (i) B - Moon 1 (ii) C - net 1 (iii) B - Gravity 1 (b) (i) Milky Way 1 (ii) Universe 1 (c) A – surface of the Moon 1 (d) C – N/kg 1 Total 7 marks Question Answer Notes ...