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प्रश्न
Draw a ray diagram to show the formation of image of an object placed between the pole and focus of a concave mirror. State the position, size and nature of the image.
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उत्तर
OBJECT LIES BETWEEN FOCUS AND POLE :
A virtual erect and bigger image is formed behind the mirror
Image formed A’B’ is on the other side of the mirror on producing ← position
Enlarged (magnified) ← size
Virtual and erect ← nature
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संबंधित प्रश्न
List four characteristics of the images formed by plane mirrors.
Fill in the following blank with suitable word:
Parallel rays of light are reflected by a concave mirror to a point called the ..........
A bright object 50 mm high stands on the axis of a concave mirror of focal length 100 mm and at a distance of 300 mm from the concave mirror. How big will the image be?
If the object is moved further away from the mirror, what changes are there in the position and size of the image?
Which of the following can make a parallel beam of light from a bulb falls on it?
(a) concave mirror as well as concave lens
(b) convex mirror as well as concave lens
(c) concave mirror as well as convex lens
(d) concave mirror as well as convex lens
Why are concave mirrors used in solar devices?
A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by ______.
Under which of the following conditions a concave mirror can form an image larger than the actual object?
Between which two points of a concave mirror should an object be placed to obtain a magnification of -2?
Which type of mirror is used in the following?
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