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प्रश्न
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उत्तर
Height of object = 5 cm.
Distance of object = 30 cm.
Focal length of mirror = 40 cm.
Image is virtual, erect, and magnified.
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संबंधित प्रश्न
A 4 cm tall object is placed on the principal axis of a convex lens. The distance of the object from the optical centre of the lens is 12 cm and its sharp image is formed at a distance of 24 cm from it on a screen on the other side of the lens. If the object is now moved a little away from the lens, in which way (towards the lens or away from the lens) will he have to move the screen to get a sharp image of the object on it again? How will the magnification of the image be affected?
An image which can be obtained on a screen is called a ______ image.
A ray of light is incident normally on a plane mirror. What will be the:
- angle of incidence?
- angle of reflection?
The image formed by a convex mirror is of size one third the size of object. How are u and v related?
Answer the following question:
Distinguish between the convex mirror and the concave mirror.
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 ______.
A converging lens of focal length f is placed at a distance 0.3 m from an object to produce an image on a screen 0.9 m from the lens. With the object and the screen in the same positions, an image of the object could also be produced on the screen by placing a converging lens of focal length.
