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प्रश्न
What do you understand by the term real image?
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उत्तर
Real image: When rays of light after reflection or refraction actually meet at some other point” the image is real.
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- principal axis
Explain the following term related to spherical lenses: focal length
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
Name the two types of spherical mirrors. What type of mirror is represented by the:
front side of a shining steel spoon?
If a spherical mirror breaks, what type of mirrors are the individual pieces?
For what position of object, the image formed by a concave mirror is magnified and erect?
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
Define the term Aperture.
Define the term Normal.
