Chapter 10 – Wave Optics
When a low flying aircraft passes overhead, we sometimes notice a slight shaking of the picture on our TV screen .This happen due to the phenomenon of waves between direct signal and reflected signal known as
11
Nov
When a low flying aircraft passes overhead, we sometimes notice a slight shaking of the picture on our TV screen .This happen due to the phenomenon of waves between direct signal and reflected signal known as we sometimes notice a slight shaking of the picture on our TV screen .This happen due to the phenomenon [...]
In Young’s double-slit experiment, 12 fringes are observed to be formed in a certain segment of the screen when light of wavelength 600nm is used. If the wavelength of light is changed to 400nm, number of fringes observed in the same segment of the screen is given by
11
Nov
In Young’s double-slit experiment, 12 fringes are observed to be formed in a certain segment of the screen when light of wavelength 600nm is used. If the wavelength of light is changed to 400nm, number of fringes observed in the same segment of the screen is given by 12 fringes are observed to be formed [...]
In the ideal double-slit experiment, when a glass-plate (refractive index 1.5) of thickness t is introduced in the path of one of the interfering beams (wavelength λ), the intensity at the position where the central maximum occurred previously remains unchanged. The minimum thickness of the glass-plate is
11
Nov
In the ideal double-slit experiment, when a glass-plate (refractive index 1.5) of thickness t is introduced in the path of one of the interfering beams (wavelength λ), the intensity at the position where the central maximum occurred previously remains unchanged. The minimum thickness of the glass-plate is In the ideal double-slit experiment the intensity at [...]
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In the ideal double-slit experiment ,
the intensity at the position where the central maximum occurred previously remains unchanged. The minimum thickness of the glass-plate is ,
when a glass-plate (refractive index 1.5) of thickness t is introduced in the path of one of the interfering beams (wavelength λ) ,
ln the given diagram, CP represents a wavefront and AO and BP, the corresponding two rays. Find the condition on θ for constructive interference at P between the ray BP and reflected ray OP.
11
Nov
ln the given diagram, CP represents a wavefront and AO and BP, the corresponding two rays. Find the condition on θ for constructive interference at P between the ray BP and reflected ray OP. CP represents a wavefront and AO and BP ln the given diagram the corresponding two rays. Find the condition on θ [...]
A thin plastic sheet of refractive index 1.6 is used to cover one of slits of a double slit arrangement for the Young’s experiment. When the double slit is illuminated by monochromatic light (wavelength = 5867 A) the centre of the screen appears dark rather than bright. The minimum thickness of the plastic sheet to be used for this to happen is
11
Nov
A thin plastic sheet of refractive index 1.6 is used to cover one of slits of a double slit arrangement for the Young’s experiment. When the double slit is illuminated by monochromatic light (wavelength = 5867 A) the centre of the screen appears dark rather than bright. The minimum thickness of the plastic sheet to [...]
In the double silt experiment the screen is placed 1.25 m from the silt when the apparatus is immersed in water (uw = 4/3), the angular width of a fridge is found to be 0.2 degree. When the experiment is performed in air with same set up, the angular width of the fridge is
11
Nov
In the double silt experiment the screen is placed 1.25 m from the silt when the apparatus is immersed in water (uw = 4/3), the angular width of a fridge is found to be 0.2 degree. When the experiment is performed in air with same set up, the angular width of the fridge is In [...]
Two sources of light of wavelengths 2500 A^o and 3500 A^o are used in Young’s double slit expt. simultaneously. Which orders of fringes of two wavelength patterns coincide?
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Nov
Two sources of light of wavelengths 2500 A^o and 3500 A^o are used in Young’s double slit expt. simultaneously. Which orders of fringes of two wavelength patterns coincide?
In a Young’s double slit experiment, (slit distance d) monochromatic light of wavelength λ is used and the figure pattern observed at a distance L from the slits. The angular position of the bright fringes are
11
Nov
In a Young’s double slit experiment, (slit distance d) monochromatic light of wavelength λ is used and the figure pattern observed at a distance L from the slits. The angular position of the bright fringes are (slit distance d) monochromatic light of wavelength λ is used and the figure pattern observed at a distance L [...]
The path difference between two interfering light waves meeting at a point on the screen is (87/2)λ. The band obtained at that point is
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Nov
The path difference between two interfering light waves meeting at a point on the screen is (87/2)λ. The band obtained at that point is The path difference between two interfering light waves meeting at a point on the screen is (87/2)λ. The band obtained at that point is November 11, 2020 Category: Chapter 10 - [...]
In Young’s double slit experimental set up, if the wavelength is doubled, the band width β becomes
11
Nov
In Young’s double slit experimental set up, if the wavelength is doubled, the band width β becomes if the wavelength is doubled In Young's double slit experimental set up the band width β becomes November 11, 2020 Category: Chapter 10 - Wave Optics , MTG NEET Physics , Part 2 ,