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प्रश्न
Name the two types of spherical mirrors. What type of mirror is represented by the:
front side of a shining steel spoon?
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उत्तर
The types of spherical mirrors represented by the
front side of a shining steel spoon is concave mirror
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संबंधित प्रश्न
Find out the letters of English alphabet or any other language known to you in which the image formed in a plane mirror appears exactly like the letter itself. Discuss your findings.
Which type of mirror can form a real image?
Define the Focal length of a spherical mirror
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.
What name is given to the distance between spherical mirror and carbon paper?
A 50 cm tall object is at a very large distance from a diverging lens. A virtual, erect and diminished image of the object is formed at a distance of 20 cm in front of the lens. How much is the focal length of the lens?
Explain the following terms :
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Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case.
The diagram below in Figure, shows a convex mirror. C is its centre of curvature and F is its focus. (i) Draw two rays from A and hence locate the position of image of object OA. Label the image IB. (ii) State three characteristics of the image.
A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find
- the focal length of mirror
- position of image.
The sun is seen before the sunrise and after the sunset.
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
Select the correct option:
A mirror forms a virtual image (diminished) of an object, whatever be the position of object:
Define the following term in relation to concave mirror.
Focal length
Define linear magnification produced by a mirror?
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An object is placed at a distance of 0.25 m
in front of a plane mirror. The distance between the object and image will be ______.
Visit a nearby hospital. You can also visit the clinic of an ENT specialist, or a dentist. Request the doctor to show you the mirrors used for examining ear, nose, throat and teeth. Can you recognise the kind of mirror used in these instruments?
