Advertisements
Advertisements
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.
Advertisements
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
APPEARS IN
संबंधित प्रश्न
It is desired to obtain an erect image of an object, using concave mirror of focal length of 12 cm.
What should be the range of distance of an object placed in front of the mirror?
Name the mirror that can give an erect and enlarged image of an object.
To construct a ray diagram we use two rays which are so chosen that it is easy to know their directions after reflection from the mirror. List two such rays and state the path of these rays after reflection in case of concave mirrors. Use these two rays and draw ray diagram to locate the image of an object placed between pole and focus of a concave mirror.
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
An object is placed at a distance of 10 cm from a concave mirror of focal length 20 cm.
State two characteristics of the image formed.
The mirror which can form a magnified image of an object is:
(a) convex mirror
(b) plane mirror
(c) concave mirror
(d) both convex and concave mirror
The mirror used by the ophthalmologist to examine the eye is _______.
The mirror having reflection surface curved outward ______.
Define principal focus of the concave mirror.
Between which two points of a concave mirror should an object be placed to obtain a magnification of -2?
