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प्रश्न
उत्तर
difference between real and virtual images.
| Real images | Virtual images |
| it can be obtained on a screen | It can't be obtained on a screen |
| it is inverted (upside down with respect to the object) | It is erect with respect to the object |
| It is formed when two or more reflected rays intersect each other at a point in front of the mirror | It is formed when two or more reflected rays appear to intersect at a point behind the mirror |
APPEARS IN
संबंधित प्रश्न
A student used a device (X) to obtain/focus the image of a well illuminated distant building on a screen (S) as shown below in the diagram. Select the correct statement about the device (X).
A student obtained a sharp image of a burning candle, placed at the farther end of a laboratory table, on a screen using a concave mirror. For getting better value of focal length of the mirror, the subject teacher suggested him for focusing a well illuminated distant object. What should the student do?
(A) He should move the mirror away from the screen.
(B) He should move the mirror slightly towards the screen.
(C) He should move the mirror as well as the screen towards the newly selected object.
(D) He should move only the screen towards the newly selected object.
State the number of images of an object placed between two mirrors, formed in each case when mirrors are inclined to each other at (a) 90°, and (b) 60°.
Complete the following diagrams shown in Fig. by drawing the reflected ray for each of the incident ray A and B.
A real and enlarged image can be obtained by using a
An object 10 cm high is placed at a distance of 20 cm in front of a spherical mirror of focal length 25 cm. By scale drawing find the nature, position, and magnification of the image in the following case:
Convex mirror
The spherical mirror used in a beauty parlour as make-up mirror is _______.
