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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 simple microscope is used by watch repairers. Give reason.
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 small object is placed 150 mm away from a diverging lens of focal length 100 mm.
(i) Copy the figure below and draw rays to show how an image is formed by the lens.
Figure
(ii) Calculate the distance of the image from the lens by using the lens formula.
The letters on the front of an ambulance are written laterally inverted like 
. Give reason.
Figure shows a concave mirror with its pole at P, focus F and centre of curvature C. Draw ray diagram to show the formation of image of an object OA.
(a) When a concave mirror is used as a shaving mirror, where is the person's face in relation to the focus of mirror?
(b) State three characteristics of the image seen in part (a).
An object is placed at 4 cm distance in front of a concave mirror of radius of curvature 24 cm. Find the position of image. Is the image magnified?
How tall does a mirror have to be to fit an entire person’s body?
What is “aperture”?
