MTG NEET Physics
Light of certain colour has 2000 waves to millimeter in air. what will be the wavelength of this light in a medium of refractive index 1.25?
08
Nov
Light of certain colour has 2000 waves to millimeter in air. what will be the wavelength of this light in a medium of refractive index 1.25? Light of certain colour has 2000 waves to millimeter in air. what will be the wavelength of this light in a medium of refractive index 1.25? November 8, 2020 [...]
If ϵ0 and μ0 are the permittivity and permeability of free space and ϵ and μ are the corresponding quantities for a medium, then refractive index of the medium is:
08
Nov
If ϵ0 and μ0 are the permittivity and permeability of free space and ϵ and μ are the corresponding quantities for a medium, then refractive index of the medium is: If ϵ0 and μ0 are the permittivity and permeability of free space and ϵ and μ are the corresponding quantities for a medium then refractive [...]
The radius of curvature of concave mirror is 24 cm and the image is magnified by 1.5 times. The object distance is
08
Nov
The radius of curvature of concave mirror is 24 cm and the image is magnified by 1.5 times. The object distance is The radius of curvature of concave mirror is 24 cm and the image is magnified by 1.5 times. The object distance is November 8, 2020 Category: Chapter 9 - Ray Optics , MTG [...]
Two objects A and B when placed in front of a concave mirror of focal length 7.5cm, give images of equal size. If A is three times the size of B and is placed 30cm from the mirror, what is the distance of B from the mirror?
08
Nov
Two objects A and B when placed in front of a concave mirror of focal length 7.5cm, give images of equal size. If A is three times the size of B and is placed 30cm from the mirror, what is the distance of B from the mirror? give images of equal size. If A is [...]
Two mirrors at an angle θ produce 5 images of a point. The number of images produced when θ is decreased to θ−30 is
08
Nov
Two mirrors at an angle θ produce 5 images of a point. The number of images produced when θ is decreased to θ−30 is Two mirrors at an angle θ produce 5 images of a point. The number of images produced when θ is decreased to θ−30 is November 8, 2020 Category: Chapter 9 - [...]
Light of wavelength 5000 A^˙ falls on a plane reflecting surface. For what angle of incidence is the reflected ray normal to the incident ray?
08
Nov
Light of wavelength 5000 A^˙ falls on a plane reflecting surface. For what angle of incidence is the reflected ray normal to the incident ray? Light of wavelength 5000 A^˙ falls on a plane reflecting surface. For what angle of incidence is the reflected ray normal to the incident ray? November 8, 2020 Category: Chapter [...]
If the lower half of a concave mirror’s reflecting surface is made opaque, which of the following statements describe the image of an object placed in front of the mirrors ?
08
Nov
If the lower half of a concave mirror’s reflecting surface is made opaque, which of the following statements describe the image of an object placed in front of the mirrors ? If the lower half of a concave mirror's reflecting surface is made opaque which of the following statements describe the image of an object [...]
An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from the mirror. The type of mirror needed with the focal length is
08
Nov
An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from the mirror. The type of mirror needed with the focal length is An object is 8 cm high. It is desired to form a real image 4 cm high at 60 cm from the [...]
A concave mirror has a focal length of 5cm when an object is placed at a distance of 15 cm from the mirror, where is the image formed ?
08
Nov
A concave mirror has a focal length of 5cm when an object is placed at a distance of 15 cm from the mirror, where is the image formed ? A concave mirror has a focal length of 5cm when an object is placed at a distance of 15 cm from the mirror where is the [...]
Which of the following relation is called mirror equations ?
08
Nov
Which of the following relation is called mirror equations ? Which of the following relation is called mirror equations ? November 8, 2020 Category: Chapter 9 - Ray Optics , MTG NEET Physics , Part 1 ,