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Can a Plane Mirror Ever Form a Real Image? - Physics

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प्रश्न

Can a plane mirror ever form a real image?

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उत्तर

No, a plane mirror can never form a real image. This is because in all possible situations of image formation, the light rays never actually meet after getting reflected, but they only appear to meet behind the mirror, forming a virtual image always.

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अध्याय 18: Geometrical Optics - Short Answers [पृष्ठ ४१०]

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एचसी वर्मा Concepts of Physics Vol. 1 [English] Class 11 and 12
अध्याय 18 Geometrical Optics
Short Answers | Q 5 | पृष्ठ ४१०

संबंधित प्रश्न

Use the mirror equation to show that an object placed between f and 2f of a concave mirror produces a real image beyond 2f.


Use the mirror equation to show that a convex mirror always produces a virtual image independent of the location of the object.


Use the mirror equation to deduce that an object placed between the pole and focus of a concave mirror produces a virtual and enlarged image.


Using mirror formula, explain why does a convex mirror always produce a virtual image.


Use the mirror equation to show a convex mirror always produces a virtual image independent of the location of the object ?


following Figure shows two rays A and B being reflected by a mirror and going as A' and B'. The mirror


The rays of different colours fail to converge at a point after going through a converging lens. This defect is called


Mark the correct options.


A cylindrical vessel of diameter 12 cm contains 800π cm3 of water. A cylindrical glass piece of diameter 8.0 cm and height 8.0 cm is placed in the vessel. If the bottom of the vessel under the glass piece is seen by the paraxial rays (see figure), locate its image. The index of refraction of glass is 1.50 and that of water is 1.33.


A light ray is incident at an angle of 45° with the normal to a √2 cm thick plate (μ = 2.0). Find the shift in the path of the light as it emerges out from the plate.


A light ray is incident normally on the face AB of a right-angled prism ABC (μ = 1.50) as shown in figure. What is the largest angle ϕ for which the light ray is totally reflected at the surface AC?


Find the maximum angle of refraction when a light ray is refracted from glass (μ = 1.50) to air.


Find the angle of deviation suffered by the light ray shown in figure. The refractive index μ = 1.5 for the prism material.


The figure below shows the positions of a point object O, two lenses, a plane mirror and the final image I which coincides with the object. The focal length of the convex lens is 20 cm. Calculate the focal length of the concave lens.


For paraxial rays, show that the focal length of a spherical mirror is one-half of its radius of curvature.


A parallel beam of light is allowed to fall on a transparent spherical globe of diameter 30cm and refractive index 1.5. The distance from the centre of the globe at which the beam of light can converge is ______ mm.


Car B overtakes car A at a relative speed of 40 ms-1. How fast will the image of car B appear to move in the mirror of focal length 10 cm fitted in car A, when car B is 1.9 m away from car A?


A point object is placed at a distance of 30 cm from a convex mirror of a focal length of 30 cm. What is the separation between the image and the object?


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