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प्रश्न
Draw a ray diagram to show the formation of image of an object placed between the focus and centre of curvature of a concave mirror. State the position, size and nature of the image.
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उत्तर
OBJECT PLACED BETWEEN C and F :
A real, inverted and magnified image is formed beyond the centre of curvature
The image formed A’B’ is beyond C ← position
Enlarged ← size
inverted and real ← nature
APPEARS IN
संबंधित प्रश्न
Name the mirror that can give an erect and enlarged image of an object.
Three students A, B and C focussed a distant building on a screen with the help of a concave mirror. To determine focal length of the concave mirror they measured the distances as given below:
Student A : From mirror to the screen
Student B : From building to the screen
Student C : From building to the mirror
Who measured the focal length correctly ;
(a) Only A
(b) Only B
(c) A and B
(d) B and C
Fill in the following blank with suitable word:
Parallel rays of light are reflected by a concave mirror to a point called the ..........
For what position of an object, a concave mirror forms a real image equal in size to the object?
Draw the following diagram in your answer book and show the formation of image of the object AB with the help of suitable rays:
The real image formed by a concave mirror is larger than the object when object is:
(a) at a distance equal to radius of curvature
(b) at a distance less than the focal length
(c) between focus and centre of curvature
(d) at a distance greater than radius of curvature
How can a concave mirror be used to obtain a virtual image of an object? Draw a diagram to illustrate your answer.
To find the focal length of a concave mirror Rahul focuses a distant object with this mirror. The chosen object should be
(1) a tree
(2) a building
(3) a window
(4) the sun
A concave mirror of radius 30 cm is placed in water. It’s focal length in air and water differ by ______.
The image formed by a concave mirror is real, inverted and of the same size as that of the object, the position of the object should be ______.
