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प्रश्न
Name the spherical mirror which can produce a real and diminished image of an object.
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उत्तर
Only a concave mirror can produce a real and diminished image of an object.
संबंधित प्रश्न
A student obtains a sharp image of the distant window (W) of the school laboratory on the screen (S) using the given concave mirror (M) to determine its focal length. Which of the following distances should he measure to get the focal length of the mirror?
Explain the following term related to spherical lenses:- optical centre
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?
Name the spherical mirror which has:
(a) virtual principal focus.
(b) real principal focus.
A diverging lens is used in:
(a) a magnifying glass
(b) a car to see objects on rear side
(c) spectacles for the correction of short sight
(d) a simple camera
State the direction of incident ray which after reflection from a spherical mirror gets reflected along its own path. Give a reason.
Draw suitable diagrams to illustrate the action of (i) concave mirror and (ii) convex mirror on a beam of light incident parallel to the principal axis.
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.
Name the mirror which always produces an erect and virtual image. How is the size of image related to the size of object?
Does the mirror mentioned in part (b) form real image for all locations of the object?
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).
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
A concave mirror forms a virtual image of size twice that of the object placed at a distance 5 cm from it. Find:
- the focal length of the mirror
- position of image
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?
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
Define the following term in relation to concave mirror.
Radius of curvature
Define the term Normal.
The spherical mirror with a reflecting surface curved inward is called
A student traces the path of a ray of light passing through a rectangular slab.
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For measuring the angle of incidence, he must position the protractor in the manner shown in the figure:
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, 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?
