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प्रश्न
Define the term Pole.
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उत्तर
Pole is the centre of the reflecting surface, in this case, a spherical mirror.
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संबंधित प्रश्न
Image formed by a convex ______ is always virtual and smaller in size.
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
At which point of the spherical mirror the carbon paper is placed?
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.
State the kind of mirror used
(a) by a dentist, and
(b) as a street light reflector.
Name the kind of mirror used to obtain:
A virtual and diminished image
(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
An object of length 4 cm is placed in front of a concave mirror at distance 30 cm. The focal length of mirror is 15 cm.
- Where will the image form?
- What will be the length of image?
Complete the following diagrams shown in the following figures by drawing the reflected rays.
Name the two types of spherical mirrors.
