Refer to NEET Physics Wave Optics MCQs Set A provided below. NEET Full Syllabus Physics MCQs with answers available in Pdf for free download. The MCQ Questions for Full Syllabus Physics with answers have been prepared as per the latest syllabus, NEET books and examination pattern suggested in Full Syllabus by NEET, NCERT and KVS. Multiple Choice Questions for Wave Optics are an important part of exams for Full Syllabus Physics and if practiced properly can help you to get higher marks. Refer to more Chapter-wise MCQs for NEET Full Syllabus Physics and also download more latest study material for all subjects
MCQ for Full Syllabus Physics Wave Optics
Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Wave Optics in Full Syllabus. These MCQ questions with answers for Full Syllabus Physics will come in exams and help you to score good marks
Wave Optics MCQ Questions Full Syllabus Physics with Answers
Question: Consider a light beam incident from air to a glass slab atBrewster’s angle as shown in figure. A polaroid is placed in the path of the emergent ray at point P and rotated about an axis passing through the centre and perpendicular to the plane of the polaroid.
a) The intensity of light as seen through the polaroid shall go through a minimum but not zero for two orientations of the polaroid
b) The intensity of light as seen through the polaroid shall go through a minimum for four orientations of the polaroid
c) The intensity of light as seen through the polaroid shall be independent of the rotation
d) For a particular orientation, there shall be darkness as observed through the polaroid
Answer: The intensity of light as seen through the polaroid shall go through a minimum but not zero for two orientations of the polaroid
Question: Consider sunlight incident on a slit of width 104 Å. The image seen through the slit shall
a) be a fine sharp slit white in colour at the centre
b) a bright slit white at the centre diffusing to zero intensities at the edges
c) a bright slit white at the centre diffusing to regions of different colours
d) only be a diffused slit white in colour
Answer: be a fine sharp slit white in colour at the centre
Question: Consider a ray of light incident from air onto a slab of glass (refractive index n) of width d, at an angle q. The phase difference between the ray reflected bv the top surface of the glass and the bottom surface is
a)
b)
c)
d) None of these
Answer:
Question: In a Young’s double-slit experiment, the source is white light. One of the holes is covered by a red filter and another by a blue filter. In this case,
a) there shall be no interference fringes
b) there shall be an interference pattern for red mixing with one for blue
c) there shall be alternate interference patterns of red and blue
d) None of these
Answer: there shall be no interference fringes
Question:
a) 2.4 mm
b) 2.4 cm
c) 1.2 mm
d) 1.2 cm
Answer: 2.4 mm
Question:
a) K/2
b) Zero
c) K/4
d) K
Answer: K/2
Question: In Young’s double slit experiment, we get 10 fringes in the field of view of monochromatic light of wavelength 4000Å. If we use monochromatic light of wavelength 5000Å, then the number of fringes obtained in the same field of view is
a) 8
b) 10
c) 50
d) 40
Answer: 8
Question: The condition for obtaining secondary maxima in the diffraction pattern due to single slit is
a)
b)
c)
d)
Answer:
Question:
a) 5000 Å
b) 2500 Å
c) 7500 Å
d) 8500 Å
Answer: 5000 Å
Question: Assertion : In Young’s double slit experiment if wavelength of incident monochromatic light is just doubled, number of bright fringe on the screen will increase.
Reason : Maximum number of bright fringe on the screen is directly proportional to the wavelength of light used.
a) Assertion is incorrect, reason is correct.
b) Assertion is correct, reason is incorrect
c) Assertion is correct, reason is correct; reason is not acorrect explanation for assertion
d) Assertion is correct, reason is correct; reason is a correct explanation for assertion
Answer: Assertion is incorrect, reason is correct.
Question: On a hot summer night, the refractive index of air is smallest near the ground and increases with height from the ground. When a light beam is directed horizontally, the Huygens' principle leads us to conclude that as it travels, the light beam :
a) bends upwards
b) goes horizontally without any deflection
c) becomes narrower
d) bends downwards
Answer: bends upwards
Question: Calculate the wavelength of light used in an interference experiment from the following data : Fringe width = 0.03 cm. Distance between the slits and eyepiece through which the interference pattern is observed is 1m. Distance between the images of the virtual source when a convex lens of focal length 16 cm is used at a distance of 80 cm from the eyepiece is 0.8 cm.
a) 6000 Å
b) 600 cm
c) 0.0006 m
d) 0.0006 Å
Answer: 6000 Å
Question: In a diffraction pattern due to a single slit of width 'a', the first minimum is observed at an angle 30° when light of wavelength 5000 Å is incident on the slit. The first secondary maximum is observed at an angle of :
a)
b)
c) Both
d) None of these
Answer:
Question: A single slit Fraunhoffer diffraction pattern is formed with white light. For what wavelength of light the third secondary maximum in the diffraction pattern coincides\ with the second secondary maximum in the pattern for red light of wavelength 6500 Å?
a) 4642.8 Å
b) 9100 Å
c) 4100 Å
d) 4400 Å
Answer: 4642.8 Å
Question: Young's double slit experment is first performed in air and then in a medium other than air. It is found that 8th bright fringe in the medium lies where 5th dark fringe lies in air. The refractive index of the medium is nearly
a) 1.78
b) 1.25
c) 1.69
d) 1.59
Answer: 1.78
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NEET Full Syllabus Physics Wave Optics MCQs
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MCQs for Physics NEET Full Syllabus Wave Optics
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Wave Optics MCQs Physics NEET Full Syllabus
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Wave Optics NEET Full Syllabus MCQs Physics
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NEET MCQs Physics Full Syllabus Wave Optics
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Multiple Choice Questions (MCQs) for Wave Optics Full Syllabus Physics are objective-based questions which provide multiple answer options, and students are required to choose the correct answer from the given choices.