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OneTime: Interference MCQ Level - 1 - Physics MCQ


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10 Questions MCQ Test Topic wise Tests for IIT JAM Physics - OneTime: Interference MCQ Level - 1

OneTime: Interference MCQ Level - 1 for Physics 2024 is part of Topic wise Tests for IIT JAM Physics preparation. The OneTime: Interference MCQ Level - 1 questions and answers have been prepared according to the Physics exam syllabus.The OneTime: Interference MCQ Level - 1 MCQs are made for Physics 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises, MCQs and online tests for OneTime: Interference MCQ Level - 1 below.
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OneTime: Interference MCQ Level - 1 - Question 1

On a clear day, the sky appears to be more blue towards the zenith (over head) than it does towards the horizon, this is because

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 1

The correct answer is: The sunlight travels a longer path at the horizon, resulting in more absorption

OneTime: Interference MCQ Level - 1 - Question 2

Two light sources are said to be coherent if they

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 2

The correct answer is: are of the same frequency & maintain a constant phase difference

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OneTime: Interference MCQ Level - 1 - Question 3

Thin film interference is caused by interference after

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 3

The correct answer is: reflection, refraction

OneTime: Interference MCQ Level - 1 - Question 4

Which of the following are not true about interferences?

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 4

Correct Answer :- d

Explanation : Interference is a phenomenon in which two waves superpose to form a resultant wave of greater, lower, or the same amplitude. Constructive and destructive interference result from the interaction of waves that are correlated or coherent with each other, either because they come from the same source or because they have the same or nearly the same frequency.

Interference of two waves at a given location results in the formation of a new wave pattern which has smaller amplitude than either of the two interfering waves.

OneTime: Interference MCQ Level - 1 - Question 5

Light refracts when it goes from air to water, this is because which of the following get smaller?

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 5

When light travels from air into water, it slows down, causing it to change direction slightly. This change of direction is called refraction. When light enters a more dense substance (higher refractive index), it 'bends' more towards the normal line.

OneTime: Interference MCQ Level - 1 - Question 6

In a young’s double slit experiment the centre of a bright fringe occurs wherever waves from the slits differ in the distance they travel by a multiple of

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 6

The correct answer is: a wavelength

OneTime: Interference MCQ Level - 1 - Question 7

In a young’s double slit experiment, the slit separation is doubled to maintain the same fringe spacing on the screen, the screen to slit distance D must be changed to

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 7

The correct answer is: 2D

OneTime: Interference MCQ Level - 1 - Question 8

You can see interference of light around you everyday in

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 8

The correct answer is: CDs, oil films

Interference effects are commonly observed
in thin films.
–Examples are soap bubbles and oil on water
•The interference is due to the interaction of
the waves reflected from both surfaces of the
film.

OneTime: Interference MCQ Level - 1 - Question 9

When the light wave enters into a medium of different optical density.

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 9

The correct answer is: its speed & wavelength change

OneTime: Interference MCQ Level - 1 - Question 10

Resolution can be improved by

Detailed Solution for OneTime: Interference MCQ Level - 1 - Question 10

The correct answer is: reducing wavelength, increasing the object size

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