A ray of light passes from a medium A having refractive index 1.6 to the medium
A ray of light passes from a medium A having refractive index 1.6 to the medium B having refractive index…
7 years ago
Ray Optics
Angle of minimum deviation for a prism of reractive index 1.5 equal to the angle
Angle of minimum deviation for a prism of reractive index 1.5 equal to the angle of prism of given prism.…
7 years ago
The near point and far point of a person are 40 cm and 250 cm, respectively.
The near point and far point of a person are 40 cm and 250 cm, respectively. Determine the power of…
7 years ago
The angle of incidence for a ray of light at a refracting surface of a prism is 45⁰.
The angle of incidence for a ray of light at a refracting surface of a prism is 45⁰. The angle…
7 years ago
A astronomical telescope has objective and eye-piece of focal lengths
A astronomical telescope has objective and eye-piece of focal lengths 40 cm, 4 cm, respectively. To view an object 200…
7 years ago
A person can see clearly objects only when they lie between 50 cm and 400 cm from
A person can see clearly objects only when they lie between 50 cm and 400 cm from his eyes. In…
7 years ago
The frequency of a light wave in a material is 2 x 10¹⁴ Hz and wavelength is 5000Å.
The frequency of a light wave in a material is 2 x 10¹⁴ Hz and wavelength is 5000Å. The refractive…
7 years ago
In an astronomical telescope in normal adjustment a straight black line of length
In an astronomical telescope in normal adjustment a straight black line of length L is drawn on inside part of…
7 years ago
A beam of light consisting of red, green and blue colours is incident on a right
A beam of light consisting of red, green and blue colours is incident on a right angled prism. The refractive…
7 years ago
Two identical thin plano-convex glass lenses (refractive index 1.5) each having
Two identical thin plano-convex glass lenses (refractive index 1.5) each having radius of curvature of 20 cm are placed with…
7 years ago