Preparing for the Joint Entrance Exam (JEE) can be a daunting task. With so many subjects to cover and so many topics to study, it can be challenging to know where to start. One essential topic in the JEE Mains syllabus is the Wave Optics. In this article, we will provide 50+ MCQ questions on Wave Optics, along with detailed solutions to help you prepare for the JEE Mains exam.
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These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand Wave Optics JEE Mains MCQ Questions with Answers.
Wave Optics JEE Mains MCQ
The phenomenon of diffraction is most pronounced when the size of the opening or obstacle is:
(a) Much smaller than the wavelength of light
(b) Much larger than the wavelength of light
(c) Comparable to the wavelength of light
(d) Independent of the wavelength of light
The phenomenon of interference occurs when:
(a) Two light rays pass through different mediums
(b) Two light rays pass through the same medium
(c) Two light rays overlap and superpose
(d) None of the above
The phase difference between two coherent sources of light is π/2. The interference pattern observed will be:
(a) Constructive interference
(b) Destructive interference
(c) Partial interference
(d) No interference
The fringe width in Young’s double-slit experiment increases when:
(a) The distance between the slits decreases
(b) The distance between the slits increases
(c) The distance between the slits and the screen decreases
(d) The distance between the slits and the screen increases
In the interference pattern produced by a double-slit experiment, the central maximum is:
(a) Bright and wide
(b) Dark and narrow
(c) Bright and narrow
(d) Dark and wide
The condition for constructive interference in Young’s double-slit experiment is:
(a) Path difference = nλ
(b) Path difference = (n + 1/2)λ
(c) Path difference = (n – 1/2)λ
(d) Path difference = λ/2
The colors seen in a thin film due to interference are:
(a) Caused by reflection
(b) Caused by transmission
(c) Caused by both reflection and transmission
(d) Not related to interference
The condition for destructive interference in thin film due to reflection is:
(a) Path difference = nλ/2
(b) Path difference = nλ
(c) Path difference = (n + 1/2)λ
(d) Path difference = λ/2
The refractive index of a medium is related to the speed of light in vacuum by:
(a) n = c
(b) n = 1/c
(c) n = c/v
(d) n = v/c
The phenomenon of polarization of light is associated with:
(a) Interference
(b) Diffraction
(c) Reflection
(d) Refraction
The angle of incidence for which the angle of refraction is 90° is known as:
(a) Critical angle
(b) Polarizing angle
(c) Brewster’s angle
(d) Deviation angle
The phenomenon of scattering of light is more prominent for:
(a) Red light
(b) Blue light
(c) Green light
(d) All colors of light equally
In a diffraction grating, the condition for constructive interference is given by:
(a) d sinθ = nλ
(b) d sinθ = (n + 1/2)λ
(c) d sinθ = (n – 1/2)λ
(d) d sinθ = λ/2
The unit of frequency is:
(a) Hz
(b) m/s
(c) J
(d) N
The unit of wavelength is:
(a) Hz
(b) m/s
(c) m
(d) N
The speed of light in a medium is given by:
(a) v = c/n
(b) v = c × n
(c) v = c + n
(d) v = c – n
When a light ray passes from a denser medium to a rarer medium, it:
(a) Bends away from the normal
(b) Bends towards the normal
(c) Does not bend
(d) Depends on the angle of incidence
The Huygens’ principle states that every point on a wavefront acts as a:
(a) Source of new wavelets
(b) Absorber of wavelets
(c) Reflector of wavelets
(d) None of the above
The path difference for constructive interference in Young’s double-slit experiment is:
(a) An integral multiple of the wavelength
(b) A non-integral multiple of the wavelength
(c) Equal to half the wavelength
(d) Independent of the wavelength
The colors seen in a soap bubble are due to:
(a) Reflection
(b) Refraction
(c) Dispersion
(d) Diffraction
The angle of diffraction for a single slit is maximum when the width of the slit is:
(a) Much smaller than the wavelength of light
(b) Much larger than the wavelength of light
(c) Comparable to the wavelength of light
(d) Independent of the wavelength of light
The phenomenon of interference is associated with:
(a) Longitudinal waves
(b) Transverse waves
(c) Mechanical waves only
(d) Electromagnetic waves
The nature of the interference pattern obtained in Young’s double-slit experiment depends on:
(a) Wavelength of light used
(b) Distance between the slits
(c) Distance between the slits and the screen
(d) All of the above
The angle of diffraction for a single slit decreases when the width of the slit:
(a) Decreases
(b) Increases
(c) Remains constant
(d) None of the above
The phenomenon of interference is based on the principle of:
(a) Diffraction
(b) Reflection
(c) Refraction
(d) Superposition of waves
The phenomenon of interference is observed when light passes through:
(a) A single slit
(b) A double slit
(c) A diffraction grating
(d) All of the above
The wavelength of light is maximum for:
(a) Red light
(b) Green light
(c) Blue light
(d) They all have the same wavelength
The angle of deviation for a prism depends on:
(a) The angle of incidence
(b) The refractive index of the prism
(c) The shape of the prism
(d) All of the above
The phenomenon of interference is more prominent for:
(a) Sound waves
(b) Water waves
(c) Light waves
(d) All waves equally
The phenomenon of interference is used in:
(a) Michelson interferometer
(b) Newton’s rings experiment
(c) Young’s double-slit experiment
(d) All of the above
We hope there JEE MCQ of Class 12 Wave Optics will help you to score an excellent rank in JEE Mains and Advanced. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
