Polarisation - Study guides, Class notes & Summaries
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Unit 14 Assignment 14.3 Understand types, structures, reactions, uses and properties of isomers.
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This is the third assignment required for unit 14 Organic chemistry BTEC. the assignment covers all the key aspects of the specification and it will help you achieve a distinction grade in your assignment. please do not copy and paste because that will count as plagiarism to you, use it as a guide only. a bibliography can be found at the end of assignment. good luck!
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BRITAIN ESSAY PLANS ALL SOLUTION 100% CORRECT SPRING FALL-2023/24 EDITION GUARANTEED GRADE A+
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to what extent did the political landscape change 1918-79? 
ARGUMENT- changes massively, war most prominent change 
 
PARA 1- rise of labour+decline of the liberals. Lloyd-george outed asquith, seen as traitor. caused a split in the liberals, failed to reunite for 1918 election. Tories rejected coalition, allowed labour to rise. ww1 led to more trade union members, no more fptp. labour became the main opposition in 1929, parties shared the goal of getting rid of liberals 
 
PARA 2- ww2. the war ...
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ECG 2023 Exam Questions with Correct Answers
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ECG 2023 Exam Questions with Correct Answers 
What is sinus rhythm? - Answer-Normal heart rhythm, with the electrical activation beginning in the SA node 
 
Which part of the ECG corresponds to the contraction of the atria? - Answer-P wave 
 
Which part of the ECG corresponds to the depolarisation of the ventricles? - Answer- The QRS complex 
 
On the ECG what does the T wave correspond to? - Answer-Re-polarisation of the ventricles 
 
On an ECG what is a U wave? - Answer-An extra wave seen on t...
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*A-LEVEL PHYSICS REVISION FOR ALL EXAM BOARDS* Waves
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Topics: 
-Transverse and longitudinal waves. 
-Wave phenomena including polarisation, diffraction, reflection and refraction. 
-Electromagnetic waves 
-Stationary waves 
-Reflection and refraction 
 
Includes tables, diagrams and equations.
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AQA A Level Physics Paper 1 Exam 2023
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What is meant by work function (2) - Minimum energy required by an electron to escape from (1) a metal surface (1) 
 
What is meant by ionisation energy? (2) - Minimum energy required to remove an electron from an atom (1) from the ground state (1) 
 
Why do emitted electrons have a kinetic energy that varies up to a maximum value? (4) - Energy of a photon is fixed/constant (1) 
Energy is required for electrons to overcome work function ø (1) 
Electrons deeper into/below the surface of the meta...
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AQA AS Physics Waves LATEST UPDATE
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AQA AS Physics Waves LATEST UPDATE 
 
 
Longitudinal Wave 
Direction parallel to oscillations 
Transverse Wave 
Direction perpendicular to oscillations 
Mechanical waves 
Need a medium to pass through 
Polarisation 
When waves are confined to one plane 
Polaroid sunglasses 
Absorb oncoming light while allowing vertical waves through 
Displacement 
distance from equilibrium 
Amplitude 
Maximum displacement 
Wavelength 
Distance between two adjacent particles 
Cycle 
Interval from a certain displa...
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AQA AS Level Physical Chemistry - Unit 3.1.3 - Bonding - Full Notes
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Detailed notes for AQA AS level chemistry unit 3.1.3 (bonding). Covers: ionic bonding, metallic bonding, covalent bonding, dative covalent bonding, polarity, electronegativity, trends in electronegativity, bond polarisation, VSEPR theory, shapes of molecules and intermolecular forces. Includes diagrams and tips on exam technique (with techniques for comparing melting points of molecules).
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AQA A Level Physics Paper 1 Exam 2023.
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What is meant by work function (2) - Minimum energy required by an electron to escape from (1) a metal surface (1) 
 
What is meant by ionisation energy? (2) - Minimum energy required to remove an electron from an atom (1) from the ground state (1) 
 
Why do emitted electrons have a kinetic energy that varies up to a maximum value? (4) - Energy of a photon is fixed/constant (1) 
Energy is required for electrons to overcome work function ø (1) 
Electrons deeper into/below the surface of the meta...
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AQA AS LEVEL PHYSICS Paper 1 FOR MAY 2023
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AQA 
	 
 
 
 
AS 
PHYSICS 
Paper 1 
 
Wednesday 17 May 2023	Morning	Time allowed: 1 hour 30 minutes 
Materials 
For this paper you must have: 
•	a pencil and a ruler 
•	a scientific calculator 
•	a Data and Formulae Booklet 
•	a protractor. 
 
Instructions 
•	Use black ink or black ball-point pen. 
•	Fill in the boxes at the top of this page. 
•	Answer all questions. 
•	You must answer the questions in the spaces provided. Do not write outside the box around each page or on blank...
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AQA A-Level Physics Chapter 4 with all correct answers
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What is a wave? 
Oscillation of particles or fields 
 
 
 
Give the frequency and speed equations 
c = fw 
f = 1/T 
 
 
 
 
 
 
00:03 
 
01:24 
What is amplitude? 
Maximum displacement from equilibrium 
 
 
 
What is a transverse wave? 
Oscillations are perpendicular to direction of energy transfer 
 
 
 
What is a longitudinal wave? 
Oscillations are parallel to the direction of energy transfer 
 
 
 
What is polarisation? 
Oscillations are restricted to one plane using a filter 
 
 
 
TV+RADIO...
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