Optical fibres - Study guides, Class notes & Summaries
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BTEC Applied Science Unit 1 Chemistry Exam 271 Questions with Answers,100% CORRECT
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BTEC Applied Science Unit 1 Chemistry Exam 271 Questions with Answers 
 
 
How many electrons can an s subshell hold? - CORRECT ANSWER 2 
 
How many electrons can a p subshell hold? - CORRECT ANSWER 6 
 
How many electrons can a d subshell hold? - CORRECT ANSWER 10 
 
Which subshells are available in the first energy level? - CORRECT ANSWER s 
 
Which subshells are available in the second energy level? - CORRECT ANSWER s and p 
 
Which subshells are available in the third energy level? - CORRECT...
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TM111 Block 1 Part 1 Final Exam Questions And Answers
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TM111 Block 1 Part 1 Final Exam 
Questions And Answers 
 
Digital technology - ANSWER- any technology that is based on representing data as 
sequences of numbers 
Network - ANSWER- A collection of devices that can communicate with each other. 
Smart device - ANSWER- An electronic device that processes information and 
exchanges it with other devices 
Internet - ANSWER- The global internetwork that has grown since the 1960s 
World Wide Web - ANSWER- An internet service that links computer files 
...
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AQA AS Physics Chapter 5 Optics LATEST UPDATE
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AQA AS Physics Chapter 5 Optics LATEST UPDATE 
 
 
Normal 
Imaginary line perpendicular to the boundary between two materials or a surface. 
Partial reflection 
When some of the wave bounces off a surface, as it does when light moves from air to a refractive substance. 
Refractive index 
Ratio of sin i to sin r. Also the ratio of the speed of light in a vacuum to the speed of light in the material. Also the ratio of the wavelength of light in a vacuum to the wavelength of light in the material. ...
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AQA AS Physics Chapter 5 Optics LATEST UPDATE
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AQA AS Physics Chapter 5 Optics LATEST UPDATE 
 
Normal 
Imaginary line perpendicular to the boundary between two materials or a surface. 
Partial reflection 
When some of the wave bounces off a surface, as it does when light moves from air to a refractive substance. 
Refractive index 
Ratio of sin i to sin r. Also the ratio of the speed of light in a vacuum to the speed of light in the material. Also the ratio of the wavelength of light in a vacuum to the wavelength of light in the material. 
1...
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AQA A Level Biology Paper 2 - Questions I Got Wrong ALL ANSWERS 100% CORRECT SPRING FALL-2023/24 EDITION GUARANTEED GRADE A+
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In an investigation into taxis, termites were split into 3 groups 
Group A had their eyes covered (moved straight up) 
Group B had their antenna covered (moved straight to light) 
Group C were the control (moved diagonally up and towards light) 
What does Group A show about the factors controlling termite movement? 
Antenna involved in response to gravity 
Don't respond to light as eyes are covered 
In a graph of membrane permeability against time, the line for Na+ ions increases rapidly betwee...
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BTEC Applied Science Unit One Physics Questions and Answers 2023
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Define the amplitude of a wave - Correct answer-The distance from the rest position to 
the top of the wave 
Define the period of a wave - Correct answer-The time taken for one wavelength to 
pass a point 
Define the frequency of a wave - Correct answer-The number of waves per second 
How many ms are in 1s? - Correct answer-1000 
Define coherent light - Correct answer-Coherent light has the same 
frequency/wavelength and is in phase 
Define a transverse wave - Correct answer-The oscillations are...
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BTEC Applied Science - Physics Exam Questions & Answers 2023
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State what is meant by the term analogue signal (1 mark) - Correct answer-A signal that 
can have any value 
State what is meant by the term digital signal (1 mark) - Correct answer-A signal that 
has 2 values only which are 0 and 1. 
Explain 2 advantages of using digital signals instead of analogue signals to transmit 
television programmes. (2 marks) - Correct answer-1. Digital Signals can carry more 
info than Analogue signals. 
2. Less interference so better quality is produced. 
Give 2 othe...
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BTEC Applied Science Unit 1 Chemistry Exam 271 Questions with Answers,100% CORRECT
- Exam (elaborations) • 25 pages • 2023
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BTEC Applied Science Unit 1 Chemistry Exam 271 Questions with Answers 
 
 
How many electrons can an s subshell hold? - CORRECT ANSWER 2 
 
How many electrons can a p subshell hold? - CORRECT ANSWER 6 
 
How many electrons can a d subshell hold? - CORRECT ANSWER 10 
 
Which subshells are available in the first energy level? - CORRECT ANSWER s 
 
Which subshells are available in the second energy level? - CORRECT ANSWER s and p 
 
Which subshells are available in the third energy level? - CORRECT...
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BTEC APPLIED SCIENCE: UNIT 11 - Learning Aim D
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1.	How many electrons can an s subshell hold?	2 2.	How many electrons can a p subshell hold?	6 3.	How many electrons can a d subshell hold?	10 4.	Which subshells are available in the first energy level? 5.	Which subshells are available in the second en- ergy level? 6.	Which subshells are available in the third energy level? s s and p s, p and d 7.	What is Hund's rule? (Think bus seats!)	Every orbital in a sub- shell must be singly filled with an electron before any one orbital can be d...
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Btec applied science unit 1 physics exam with 100% correct answers 2023
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Amplitude - Correct answer-The maximum value of displacement in the oscillation cycle 
Displacement - Correct answer-How far the quantity has moved from its rest value at 
any given time 
Period - Correct answer-The time taken for one whole cycle of an oscillation 
Oscillation - Correct answer-A regularly repeating motion about a central value 
Wave speed equation - Correct answer-Wave speed = frequency x wavelength / v=fλ 
Transverse waves - Correct answer-The displacement of the wave is at ri...
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