Advertisements
Advertisements
प्रश्न
Draw a ray diagram to show the formation of image by a concave mirror for the object beyond its centre of curvature. State three characteristics of the image.
Advertisements
उत्तर
Ray diagram showing the formation of an image by a concave mirror for the object beyond its centre of curvature:
When the object is placed beyond the centre of curvature C, the image is formed between focus F and centre of curvature C. The image so formed is real, inverted and diminished.
APPEARS IN
संबंधित प्रश्न
An image which can be obtained on a screen is called a ______ image.
What happens when a ray of light falls normally (or perpendiculary) on the surface of a plane mirror?
What is the relation between the focal length and radius of curvature of a spherical mirror (concave mirror or convex mirror)?
When a spherical mirror is held towards the sun and its sharp image is formed on a piece of a carbon paper for some time, a hole is burnt in the carbon paper.
Why is a hole burnt in the carbon paper?
A student obtained on a screen the sharp image of a candle flame placed at the farther end of laboratory table using a concave mirror. For getting better value of focal length of the mirror, the teacher suggested to him to focus the sun. What should the student do?
(A) Should move the mirror away from the screen.
(B) Should move the mirror towards the screen.
(C) Should move the mirror and screen both towards the sun.
(D) Should move only the screen towards the sun.
Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.
What type of mirror can be used to obtain a real image of an object?
Choose the correct alternative and rewrite the following:
Mirror used by a dental surgeon is ..........................
