MTG NEET Physics
A students plots a graph between inverse of magnification 1/m produced by a convex thin lens and the object distance u as shown in figure. What was the focal length of the lens used?
09
Nov
A students plots a graph between inverse of magnification 1/m produced by a convex thin lens and the object distance u as shown in figure. What was the focal length of the lens used? A students plots a graph between inverse of magnification 1/m produced by a convex thin lens and the object distance u [...]
A hollow double concave lens is made of very thin transparent material. It can be filled with air or either of two liquids L1 or L2 having refractive indices μ1 and μ2 respectively (μ2 > μ1 > 1). The lens will diverge a parallel beam of light if it is filled with
09
Nov
A hollow double concave lens is made of very thin transparent material. It can be filled with air or either of two liquids L1 or L2 having refractive indices μ1 and μ2 respectively (μ2 > μ1 > 1). The lens will diverge a parallel beam of light if it is filled with Which one of [...]
A concave lens of glass, refractive index 1.5, has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75, it will behave as a :
09
Nov
A concave lens of glass, refractive index 1.5, has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75, it will behave as a : A concave lens of glass has both surfaces of same radius of curvature R. On immersion in a medium of refractive index 1.75 [...]
Which one of the following spherical lenses does not exhibit dispersion? The radii of curvature of the surfaces of the lenses are as given in the diagram.
09
Nov
Which one of the following spherical lenses does not exhibit dispersion? The radii of curvature of the surfaces of the lenses are as given in the diagram. Which one of the following spherical lenses does not exhibit dispersion? The radii of curvature of the surfaces of the lenses are as given in the diagram. November [...]
A point source of light is kept below the surface of water (nw = 4/3) at a depth of root 7 m. The radius of the circular bright patch of light noticed on the surface of water is ______ m.
09
Nov
A point source of light is kept below the surface of water (nw = 4/3) at a depth of root 7 m. The radius of the circular bright patch of light noticed on the surface of water is ______ m. A point source of light is kept below the surface of water (nw = 4/3) [...]
A disc is placed on a surface of pond which has refractive index 35 . A source of light is placed 4 m below the surface of liquid. The minimum radius of disc will be so light is not coming out
09
Nov
A disc is placed on a surface of pond which has refractive index 35 . A source of light is placed 4 m below the surface of liquid. The minimum radius of disc will be so light is not coming out A disc is placed on a surface of pond which has refractive index 35 [...]
The wavelength of the red light from a helium-neon laser is 633 nm in air but 474 nm in the aqueous humor inside your eyeball. Then the speed of red light through the aqueous humor is.
09
Nov
The wavelength of the red light from a helium-neon laser is 633 nm in air but 474 nm in the aqueous humor inside your eyeball. Then the speed of red light through the aqueous humor is. The wavelength of the red light from a helium-neon laser is 633 nm in air but 474 nm in [...]
A ray of light travelling through rarer medium is incident at very small angle i on a glass slab and after refraction its velocity is reduced by 20%. The angle of deviation is :
09
Nov
A ray of light travelling through rarer medium is incident at very small angle i on a glass slab and after refraction its velocity is reduced by 20%. The angle of deviation is : A ray of light travelling through rarer medium is incident at very small angle i on a glass slab and after [...]
A vessel of depth x is half filled with oil of refractive index μ1 and the other half is filled with water of refractive index μ2 . The apparent depth of the vessel when viewed from above is:
09
Nov
A vessel of depth x is half filled with oil of refractive index μ1 and the other half is filled with water of refractive index μ2 . The apparent depth of the vessel when viewed from above is: A vessel of depth x is half filled with oil of refractive index μ1 and the other [...]
The bottom of a container is a 4.0 cm thick glass slab. The container contains two immiscible liquids A (μ=1.4) and B (μ=1.3) of depths 6.0 cm and 8.0 cm respectively. What is the apparent position of a scratch on the outer surface of the bottom of the glass slab when viewed through the container?
09
Nov
The bottom of a container is a 4.0 cm thick glass slab. The container contains two immiscible liquids A (μ=1.4) and B (μ=1.3) of depths 6.0 cm and 8.0 cm respectively. What is the apparent position of a scratch on the outer surface of the bottom of the glass slab when viewed through the container? [...]