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प्रश्न
An object is placed in front of a convex mirror of focal length 25 cm. By scale, a drawing shows the formation of image and states the nature of image.
Given that v = 10 cm.
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उत्तर
The image formed is virtual, Diminished, and erect.
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संबंधित प्रश्न
A light ray is incident normally on a plane mirror. (a) What is its angle of incidence?
An object 3 cm high produces a real image 4.5 cm high when placed at a distance of 20 cm from a concave mirror. Calculate:
- the position of image
- focal length of the concave mirror.
In the figure is shown a concave mirror. A is a point on the principal axis. If an object O is kept at A, image is formed on A itself. Copy the diagram. Draw the image in the diagram. Is the image real or virtual?
Measure the distance PA and write it in the diagram. What is the distance PA called?
Mark a point B on the principal axis, at which, if a point source of light is kept, the rays travel parallel to principal axis after reflection from M. What is point B called?
State whether the following statement is true or false. If false, correct it.
If a ray of light incident on a plane mirror is such that it makes an angle of 30o with the mirror, then the angle of reflection is 60o.
Complete the path of incident ray in the following case.
Match the following:
| 1. | Rubber | a. | Erect |
| 2. | Greased paper | b. | Inverted |
| 3. | Real image | c. | Opaque medium |
| 4. | Virtual image | d. | Translucent medium |
What kind of surface reflects light?
We can see objects because of ______.
