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Year 11 Exam  >  Year 11 Tests  >  Test: Light - Year 11 MCQ

Test: Light - Year 11 MCQ


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10 Questions MCQ Test - Test: Light

Test: Light for Year 11 2024 is part of Year 11 preparation. The Test: Light questions and answers have been prepared according to the Year 11 exam syllabus.The Test: Light MCQs are made for Year 11 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Light below.
Solutions of Test: Light questions in English are available as part of our course for Year 11 & Test: Light solutions in Hindi for Year 11 course. Download more important topics, notes, lectures and mock test series for Year 11 Exam by signing up for free. Attempt Test: Light | 10 questions in 20 minutes | Mock test for Year 11 preparation | Free important questions MCQ to study for Year 11 Exam | Download free PDF with solutions
Test: Light - Question 1
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Calculate the refractive index of a medium which has a critical angle of 52o.

Detailed Solution for Test: Light - Question 1
sin c = 0.788, 1/0.788 = 1.27. Refractive index has no units and is always quoted as just a number
Test: Light - Question 2
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Which formula correctly states the relationship between refractive index and critical angle?

Detailed Solution for Test: Light - Question 2
Different transparent media have different refractive indices
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Test: Light - Question 3
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Lasers can be used for a variety of applications. Which of the following are lasers useful for?

Detailed Solution for Test: Light - Question 3
The strength of the laser should be considered when dealing with each situation, as some may require stronger lasers than others
Test: Light - Question 4
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What is the critical angle of a medium if its refractive index is 1.5?
Detailed Solution for Test: Light - Question 4
Rearrangement of the refractive index equation
Test: Light - Question 5
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Which of the following is NOT an application of total internal reflection?
Detailed Solution for Test: Light - Question 5
Telescopes rely on light passing through a series of lenses or reflection off a curved mirror to bring it to a focus
Test: Light - Question 6
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What is the definition for critical angle in optics?
Detailed Solution for Test: Light - Question 6
Total internal reflection is the reason that glass fibres can be used to transmit light efficiently from one place to another
Test: Light - Question 7
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What is the normal range of sight for a human eye?
Detailed Solution for Test: Light - Question 7
As you get older, the near point (the closest point to your eye that is in sharp focus) usually increases which is why you may see older people holding things further away to read what is written
Test: Light - Question 8
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Which of the following are examples of optical fibres?
Detailed Solution for Test: Light - Question 8
Optical fibres have found their way into most parts of our modern day lifestyles now. They are preferred to more conventional methods as they are more efficient and can be made smaller and more cheaply
Test: Light - Question 9
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What is a laser?
Detailed Solution for Test: Light - Question 9
Coherent means that all the lightwaves are 'in phase' (all their crests and troughs are lined up). Monochromatic means that the light waves in a laser beam all have the same wavelength
Test: Light - Question 10
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Optical fibres can be used to transmit which of the following?
Detailed Solution for Test: Light - Question 10
An optical fibre is a bundle of glass fibres of high quality. Optical fibres are very flexible
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