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NEET Exam  >  NEET Tests  >  NCERTs at Fingertips: Textbooks, Tests & Solutions  >  Test: Total Internal Reflection (NCERT) - NEET MCQ

Test: Total Internal Reflection (NCERT) - NEET MCQ


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5 Questions MCQ Test NCERTs at Fingertips: Textbooks, Tests & Solutions - Test: Total Internal Reflection (NCERT)

Test: Total Internal Reflection (NCERT) for NEET 2024 is part of NCERTs at Fingertips: Textbooks, Tests & Solutions preparation. The Test: Total Internal Reflection (NCERT) questions and answers have been prepared according to the NEET exam syllabus.The Test: Total Internal Reflection (NCERT) MCQs are made for NEET 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for Test: Total Internal Reflection (NCERT) below.
Solutions of Test: Total Internal Reflection (NCERT) questions in English are available as part of our NCERTs at Fingertips: Textbooks, Tests & Solutions for NEET & Test: Total Internal Reflection (NCERT) solutions in Hindi for NCERTs at Fingertips: Textbooks, Tests & Solutions course. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free. Attempt Test: Total Internal Reflection (NCERT) | 5 questions in 5 minutes | Mock test for NEET preparation | Free important questions MCQ to study NCERTs at Fingertips: Textbooks, Tests & Solutions for NEET Exam | Download free PDF with solutions
Test: Total Internal Reflection (NCERT) - Question 1
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For a total internal reflection, which of the following is correct?

Detailed Solution for Test: Total Internal Reflection (NCERT) - Question 1

In total internal reflection, light travel from denser to rarer medium.

Test: Total Internal Reflection (NCERT) - Question 2
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Light travels in two media A and B with speeds 1.8 x 108 m s-1 and 2.4 x 108 m s-1 respectively. Then the critical angle between them is

Detailed Solution for Test: Total Internal Reflection (NCERT) - Question 2

Here, vA = 1.8 × 108m s−1,vB = 2.4×108 ms−1
Light travel slower in denser medium. Hence medium A is a denser medium and medium B is a rarer meedium. Here, light travels from medium A to medium B. Let C be the critical angle between them

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Test: Total Internal Reflection (NCERT) - Question 3
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Critical angle of glass is θ1 and that of water is θ2. The critical angle for water and glass surface would be (μg = 3/2, μw = 4/3).

Detailed Solution for Test: Total Internal Reflection (NCERT) - Question 3

As wμg = 9/8 < aμw < aμg
∴ θ > θ2 >  θ1

Test: Total Internal Reflection (NCERT) - Question 4
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Critical angle for light going from medium (i) to (ii) is θ. The speed of light in medium (i) is v, then the speed of light in medium (ii) is
Detailed Solution for Test: Total Internal Reflection (NCERT) - Question 4



where v and v′ are the speeds of light in medium (i) and medium (ii) respectively.

Test: Total Internal Reflection (NCERT) - Question 5
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A ray of light travelling in a transparent medium of refractive index μ, falls on a surface separating the medium from air at an angle of incidence of 45∘. For which of the following value of μ. the ray can undergo total internal reflection?
Detailed Solution for Test: Total Internal Reflection (NCERT) - Question 5

For total internal reflection,
sin i > sin C
where
i = angle of incidence
C = critical angle


Hence, option (c) is correct.

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