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Magnetism and Matter
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Modern Physics
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1
NEET 2023 Manipur
MCQ (Single Correct Answer)
+4
-1

NEET 2023 Manipur Physics - Wave Optics Question 8 English

Which set of colours will come out in air for a situation shown in figure?

A
Yellow, Orange and Red
B
All
C
Orange, Red and Violet
D
Blue, Green and Yellow
2
NEET 2023
MCQ (Single Correct Answer)
+4
-1

For Young's double slit experiment, two statements are given below :

Statement I : If screen is moved away from the plane of slits, angular separation of the fringes remains constant.

Statement II : If the monochromatic source is replaced by another monochromatic source of larger wavelength, the angular separation of fringes decreases.

In the light of the above statements, choose the correct answer from the options given below :

A
Both Statement I and Statement II are false
B
Statement I is true but Statement II is false
C
Statement I is false but Statement II is true
D
Both Statement I and Statement II are true
3
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

If the screen is moved away from the plane of the slits in a Young's double slit experiment, then the :

A
linear separation of the fringes decreases
B
angular separation of the fringes increases
C
angular separation of the fringes decreases
D
linear separation of the fringes increase
4
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

After passing through a polariser a linearly polarised light of intensity I is incident on an analyser making an angle of 30$$^\circ$$ with that of the polariser. The intensity of light emitted from the analyser will be

A
$${{2I} \over 3}$$
B
$${I \over 2}$$
C
$${I \over 3}$$
D
$${{3I} \over 4}$$
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