Refer to NEET Physics Wavefront Interference of Light Coherent and Incoherent Sources of Light 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 Wavefront Interference of Light Coherent and Incoherent Sources of Light 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 Wavefront Interference of Light Coherent and Incoherent Sources of Light
Full Syllabus Physics students should refer to the following multiple-choice questions with answers for Wavefront Interference of Light Coherent and Incoherent Sources of Light in Full Syllabus. These MCQ questions with answers for Full Syllabus Physics will come in exams and help you to score good marks
Wavefront Interference of Light Coherent and Incoherent Sources of Light MCQ Questions Full Syllabus Physics with Answers
Question: Wavefront is the locus of all points, where the particles of the medium vibrate with the same
a) phase
b) amplitude
c) period
d) frequency
Answer: phase
Question: A plane wave passes through a convex lens. The geometrical shape of the wavefront that emerges is
a) converging spherical
b) plane
c) diverging spherical
d) None of these
Answer: converging spherical
Question: Huygen’s concept of secondary wave
a) is a geometrical method to find a wavefront
b) allows us to find the focal length of a thick lens
c) is used to determine the velocity of light
d) is used to explain polarisation
Answer: is a geometrical method to find a wavefront
Question: The phenomena which is not explained by Huygen’s construction of wavefront is
a) origin of spectra
b) diffraction
c) reflection
d) refraction
Answer: origin of spectra
Question: When light suffers reflection at the interface between water and glass, the change of phase in the reflected wave is
a)
b)
c)
d) zero
Answer:
Question: Two sources of light are said to be coherent, when they give light waves of same
a) wavelength and constant phase difference
b) intensity and wavelength
c) amplitude and phase
d) phase and speed
Answer: wavelength and constant phase difference
Question: The colour of bright fringe nearest to central achromatic fringe in the interference pattern with white light will be
a) violet
b) red
c) green
d) yellow
Answer: violet
Question:
a) a prism
b) a slit
c) a glass slab
d) None of these
Answer: a prism
Question: The interfering fringes formed by a thin oil film on water are seen in yellow light of sodium lamp. We find the fringes
a) coloured
b) black and white
c) yellow and black
d) coloured without yellow
Answer: coloured
Question: Two coherent sources of intensity ratio 1 : 4 produce an interference pattern. The fringe visibility will be
a) 0.8
b) 0.4
c) 0.6
d) 1
Answer: 0.8
Question: Which of the following is correct for light diverging from a point source?
a) The intensity decreases in proportion for the distance squared.
b) The wavefront is parabolic
c) The intensity at the wavelingth does depend of the distance
d) None of these.
Answer: The intensity decreases in proportion for the distance squared.
Question: Shape of wavefront in case of
I. light diverging from a point source is spherical
II. light emerging out of a convex lens when a point source is placed at its focus is plane
III. the portion of the wavefront of light from a distant star intercepted by the Earth is plane.
Which of the above statements are correct?
a) II and III
b) I, II and III
c) I and II
d) I and III
Answer: II and III
Question: The principle of superposition is basic to the phenomenon of
a) interference
b) refraction
c) Polarisation
d) reflection
Answer: interference
Question: Assertion : No interference pattern is detected when two coherent sources are infinitely close to each other.
Reason : The fringe width is inversely proportional to the distance between the two sources.
a) Assertion is correct, reason is correct; reason is a correct explanation for assertion
b) Assertion is correct, reason is correct; reason is not a correct explanation for assertion
c) Assertion is correct, reason is incorrect
d) Assertion is incorrect, reason is correct
Answer: Assertion is correct, reason is correct; reason is a correct explanation for assertion
Question: A point p is situated 90.50 and 90.58 cm away from two coherent sources. The nature of illumination of the point ‘p’ if the wavelength of light is 4000 Å, is
a) bright
b) dark
c) none of these
d) neither bright nor dark
Answer: bright
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NEET Full Syllabus Physics Wavefront Interference of Light Coherent and Incoherent Sources of Light MCQs
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MCQs for Physics NEET Full Syllabus Wavefront Interference of Light Coherent and Incoherent Sources of Light
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Wavefront Interference of Light Coherent and Incoherent Sources of Light NEET Full Syllabus MCQs Physics
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NEET MCQs Physics Full Syllabus Wavefront Interference of Light Coherent and Incoherent Sources of Light
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