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प्रश्न
What is the name of the phenomenon in which the right side of an object appears to be the left side of the image in a plane mirror?
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उत्तर
Lateral inversion is the phenomenon in which the right side of an object appears to be the left side in its image in a plane mirror.
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संबंधित प्रश्न
An image that cannot be obtained on a screen is called ______.
An image formed by a ______ mirror is always of the same size as that of the object.
Define (a) centre of curvature (b) radius of curvature (c) pole (d) principal axis, and (e) aperture, of a spherical mirror with the help of a labelled diagram
Name the spherical mirror which can produce a real and diminished image of an object.
A lens forms a real image 3 cm high of an object 1 cm high. If the separation of object and image is 15 cm, find the focal length of the lens.
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
Define the terms focus and focal length of a concave mirror. Draw diagram to illustrate your answer.
Name the kind of mirror used to obtain:
A virtual and diminished image
Name the kind of mirror used to obtain:
A real and diminished image.
How will you distinguish between a plane mirror, a concave mirror and a convex mirror, without touching them?
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
What is a mirror formula?
What is the relationship between the focal length and radius of curvature?
Define the term Pole.
The distance from the pole to the focus is called ______.
If the real image of a candle flame formed by a lens is three times the size of the flame and the distance between lens and image is 80 cm, at what distance should the candle be placed from the lens?
Size of image of an object by a mirror having a focal length of 20 cm is observed to be reduced to 1/3rd of its size. At what distance the object has been placed from the mirror? What is the nature of the image and the mirror?
What is “aperture”?
Define the following terms in the context of a diverging mirror:
- Principal focus
- Focal length
Draw a labelled ray diagram to illustrate your answer.
