A convex mirror of radius of curvature 1.6 m has an object placed at a distance of 1 m from it. The image is formed at a distance of
Sahay Sir > Question Answers > A convex mirror of radius of curvature 1.6 m has an object placed at a distance of 1 m from it. The image is formed at a distance of
The slits in a double-slit interference experiment are illuminated by orange light (λ=60nm). A thin transparent plastic of thickness t is placed in front of one of the slits. The number of fringes shifting on screen is plotted versus the refractive index μ of the plastic in graph shown in figure. The value of t is
15
Nov
The slits in a double-slit interference experiment are illuminated by orange light (λ=60nm). A thin transparent plastic of thickness t is placed in front of one of the slits. The number of fringes shifting on screen is plotted versus the refractive index μ of the plastic in graph shown in figure. The value of t [...]
Blue light of wavelength 480 nm is most strongly reflected off a thin film of oil on a glass slab when viewed near normal incidence. Assuming that the index of refraction of the oil is 1.2 and that of the glass is 1.6, what is the minimum thickness of the oil film (other then zero)?
15
Nov
Blue light of wavelength 480 nm is most strongly reflected off a thin film of oil on a glass slab when viewed near normal incidence. Assuming that the index of refraction of the oil is 1.2 and that of the glass is 1.6, what is the minimum thickness of the oil film (other then zero)? [...]
Light is incident at an angle ϕ with the normal to a plane containing two slits of separation d. Select the expression that correctly describes the positions of the interference maxima in terms of the incoming angle ϕ and outgoing angle θ
15
Nov
Light is incident at an angle ϕ with the normal to a plane containing two slits of separation d. Select the expression that correctly describes the positions of the interference maxima in terms of the incoming angle ϕ and outgoing angle θ A convex mirror of radius of curvature 1.6 m has an object placed [...]
Statement I: A light ray is incident on a glass slab. Some portion of it is reflected and some is refracted. Refracted and reflected rays are always perpendicular to each other. Statement II: Angle of incidence is equal to angle of reflection.
15
Nov
Statement I: A light ray is incident on a glass slab. Some portion of it is reflected and some is refracted. Refracted and reflected rays are always perpendicular to each other. Statement II: Angle of incidence is equal to angle of reflection. A convex mirror of radius of curvature 1.6 m has an object placed [...]
Statement I: A ray is incident from outside on a glass sphere surrounded by air as shown in Figure. This ray may suffer total internal reflection at the second interface. Statement II: For a ray going from a denser to rarer medium, the ray may suffer total internal reflection.
15
Nov
Statement I: A ray is incident from outside on a glass sphere surrounded by air as shown in Figure. This ray may suffer total internal reflection at the second interface. Statement II: For a ray going from a denser to rarer medium, the ray may suffer total internal reflection. A convex mirror of radius of [...]
ACB is right-angled prism with other angles as 60^∘ and 30^∘. Refractive index of the prism is 1.5. AB has thin layer of liquid on it as shown. Light falls normally on the face AC. For total internal reflections, maximum refractive index of the liquid is
15
Nov
ACB is right-angled prism with other angles as 60^∘ and 30^∘. Refractive index of the prism is 1.5. AB has thin layer of liquid on it as shown. Light falls normally on the face AC. For total internal reflections, maximum refractive index of the liquid is A convex mirror of radius of curvature 1.6 m [...]
A ray of monochromatic light is incident on the refracting face of a prism (angle 75^∘0. It passes through the prism and is incident on the other face at the critical angle. If the refractive index of the prism is root 2, then the angle of incidence on the first face of the prism is
15
Nov
A ray of monochromatic light is incident on the refracting face of a prism (angle 75^∘0. It passes through the prism and is incident on the other face at the critical angle. If the refractive index of the prism is root 2, then the angle of incidence on the first face of the prism is [...]
A ray of light enters a rectangular glass slab of refractive index 3–√ at an angle of incidence 60∘. It travels a distance of 5 cm inside the slab and emerges out of the slab. The perpendicular distance between the incident and the emergent rays is
15
Nov
A ray of light enters a rectangular glass slab of refractive index 3–√ at an angle of incidence 60∘. It travels a distance of 5 cm inside the slab and emerges out of the slab. The perpendicular distance between the incident and the emergent rays is A convex mirror of radius of curvature 1.6 m [...]
A clear transparent glass sphere (μ = 1.5) of radius R is immersed in a liquid of refractive index 1.25. A parallel beam of light incident on it will converge to a point. The distance of this point from the centre will be
15
Nov
A clear transparent glass sphere (μ = 1.5) of radius R is immersed in a liquid of refractive index 1.25. A parallel beam of light incident on it will converge to a point. The distance of this point from the centre will be A convex mirror of radius of curvature 1.6 m has an object [...]
The image of an object placed on the principal axis of a concave mirror of focal length 12 cm is formed at a point which is 10cm more distance form the mirror than the object. The magnification of the image is
15
Nov
The image of an object placed on the principal axis of a concave mirror of focal length 12 cm is formed at a point which is 10cm more distance form the mirror than the object. The magnification of the image is A convex mirror of radius of curvature 1.6 m has an object placed at [...]