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# Inteference MCQ Level - 1

## 10 Questions MCQ Test Topic wise Tests for IIT JAM Physics | Inteference MCQ Level - 1

Description
This mock test of Inteference MCQ Level - 1 for Physics helps you for every Physics entrance exam. This contains 10 Multiple Choice Questions for Physics Inteference MCQ Level - 1 (mcq) to study with solutions a complete question bank. The solved questions answers in this Inteference MCQ Level - 1 quiz give you a good mix of easy questions and tough questions. Physics students definitely take this Inteference MCQ Level - 1 exercise for a better result in the exam. You can find other Inteference MCQ Level - 1 extra questions, long questions & short questions for Physics on EduRev as well by searching above.
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

Solution:

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

QUESTION: 2

### Two light sources are said to be coherent if they

Solution:

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

QUESTION: 3

### Thin film interference is caused by interference after

Solution:

The correct answer is: reflection, refraction

QUESTION: 4

Which of the following are not true about interferences?

Solution:

The correct answer is: 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

QUESTION: 5

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

Solution:

The correct answer is: wavelength, speed

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

Solution:

The correct answer is: a wavelength

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

Solution:

QUESTION: 8

You can see interference of light around you everyday in

Solution:

The correct answer is: CDs, oil films

QUESTION: 9

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

Solution:

The correct answer is: its speed & wavelength change

QUESTION: 10

Resolution can be improved by

Solution:

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