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An object is placed 1)10cm 2)4cm from a concave mirror of radius curvature 12cm. Calculate the image position in each case and the respective magnification
Why cant you use the angle 0 to calculate the index of refraction(2 reasons)
What is full form of u and v in mirror formula ? We know that f = focal distance, u = Object distance and v = image distance but what is full form of u and v ?
.In Young’s double-slit experiment the distance between the two slits is 0.8mm and the distance of the screen from the slits is 1.5m. Calculate the width of the bright band when the slits are illuminated by a monochromatic light of wavelength of 5560×10-10m.
6. In Young’s experiment the distance between two successive bright fringes is 0.25 mm.
The distance of the screen from the two slits is 0.8 m. If the wavelength of light is
5305Aᵒ, calculate the distance between the slits.
7. A light of wavelength of 5530 Aᵒ is used in a diffraction experiment of Fraunhofer’s class
due to a single slit. If the width of the slit is 0.2mm, find the angle of diffraction for the
first dark band.
8. In Young’s double-slit experiment the distance between the two slits is 0.8mm and the
distance of the screen from the slits is 1.5m. Calculate the width of the bright band when
the slits are illuminated by a monochromatic light of wavelength of 5560×10 -10 m.
The distance of the screen from the two slits is 0.8 m. If the wavelength of light is
5305Aᵒ, calculate the distance between the slits.
7. A light of wavelength of 5530 Aᵒ is used in a diffraction experiment of Fraunhofer’s class
due to a single slit. If the width of the slit is 0.2mm, find the angle of diffraction for the
first dark band.
8. In Young’s double-slit experiment the distance between the two slits is 0.8mm and the
distance of the screen from the slits is 1.5m. Calculate the width of the bright band when
the slits are illuminated by a monochromatic light of wavelength of 5560×10 -10 m.
6. In Young’s experiment the distance between two successive bright fringes is 0.25 mm.
The distance of the screen from the two slits is 0.8 m. If the wavelength of light is
5305Aᵒ, calculate the distance between the slits.
7. A light of wavelength of 5530 Aᵒ is used in a diffraction experiment of Fraunhofer’s class
due to a single slit. If the width of the slit is 0.2mm, find the angle of diffraction for the
first dark band.
8. In Young’s double-slit experiment the distance between the two slits is 0.8mm and the
distance of the screen from the slits is 1.5m. Calculate the width of the bright band when
the slits are illuminated by a monochromatic light of wavelength of 5560×10 -10 m.
The distance of the screen from the two slits is 0.8 m. If the wavelength of light is
5305Aᵒ, calculate the distance between the slits.
7. A light of wavelength of 5530 Aᵒ is used in a diffraction experiment of Fraunhofer’s class
due to a single slit. If the width of the slit is 0.2mm, find the angle of diffraction for the
first dark band.
8. In Young’s double-slit experiment the distance between the two slits is 0.8mm and the
distance of the screen from the slits is 1.5m. Calculate the width of the bright band when
the slits are illuminated by a monochromatic light of wavelength of 5560×10 -10 m.
Determine the angle of deviation of a ray by a glass prism with a prism angle of 3° if the angle of incidence of the ray on the front face of the prism is zero. The refractive index of the glass material is 1.5.
A ray of light is refracted through a prism of angle 70°. If the angle of refraction in the glass at the first face is 28°, what is the angle of incidence in the glass at the second face?
If the top and bottom of the thin film are of glass plate having refractive index 1.52, calculate the reflectivity of the top surface.
If you stand 2m in front of a plane mirror, how far from you is your image?
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#211623 on Aug 2018
#211623 on Aug 2018 
