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प्रश्न
Is real image always inverted?
उत्तर
Yes. Real image is always inverted.
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संबंधित प्रश्न
What is a virtual image?
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.
A concave lens produces an image 20 cm from the lens of an object placed 30 cm from the lens. The focal length of the lens is:
(a) 50 cm
(b) 40 cm
(c) 60 cm
(d) 30 cm
Draw suitable diagrams to illustrate the action of (i) concave mirror and (ii) convex mirror on a beam of light incident parallel to the principal axis.
A concave mirror forms a real image of an object placed in front of it at a distance 30 cm, of size three times the size of object. Find (a) the focal length of mirror (b) position of image.
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
In torches, search lights and headlights of vehicles the bulb is placed ______.
Name the type of mirror used in the following situation:
Solar furnace
Support your answer with reason.
The distance from the center of curvature of the mirror to the pole is called the focal length of the mirror.
What is the focal length (f) of a mirror?
