Edexcel IGCSE Physics (9-1) Unit 8 Astrophysics Revision (4PH1) (Linear)

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This video is provided the physics revision that follows syllaby as Pearson Edexcel International GCSE in Physics (Linear) (4PH1) specification, which exam first in 2019.

Double Award exams only paper 1
Single Award exams both paper 1 and paper 2

Paper 1: 2 hours (61.1% of the total) assesses core content that is not in bold and does not have a ‘P’ reference. Questions may come from any topic area across the specification.
1. Forces and Motion
2. Electricity
3. Waves
3. Energy resources and energy transfer
4. Solid, liquids and gases
7. Magnetism and electromagnetism
8. Radioactivity and particles
9. Astrophysics

Paper 2: 1 hour 15 minutes (38.9% of the total) assesses all the content, including content that is in bold and has a ‘P’ reference. Questions may come from any topic area across the specification. Statements in bold cover some sub-topics in greater depth.
1. Forces and Motion
2. Electricity
3. Waves
3. Energy resources and energy transfer
4. Solid, liquids and gases
7. Magnetism and electromagnetism
8. Radioactivity and particles
9. Astrophysics

Timestamps:
0:00 B Motion in the universe
0:27 The universe and Milky Way
1:28 The solar system
4:13 Gravitational force and gravitational field strength
6:56 Objects in orbit
9:24 Orbital speed and Astronomical distance
12:45 C Stellar Evolution
13:11 The stars
14:29 Stellar evolution
15:54 The Brightness of stars
16:48 The Hertzsprung-Russell diagram (HR diagram)
17:47 D Cosmology
18:14 Doppler effect and Redshift
21:18 Cosmic Microwave Background Radiation (CMBR)
22:21 The Big Bang theory

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