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प्रश्न
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संबंधित प्रश्न
Explain the following term related to spherical lenses:- centres of curvature
What type of image is formed:
- in a plane mirror?
- on a cinema screen?
AB and CD, two spherical mirrors, from parts of a hollow spherical ball with its centre at O as shown in the diagram. If arc AB = `1/2` arc CD, what is the ratio of their focal lengths? State which of the two mirrors will always form virtual image of an object placed in front of it and why.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
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.
An object 5 cm high is placed at a distance 60 cm in front of a concave mirror of focal length 10 cm. Find the position and size of the image.
Define the following term in relation to concave mirror.
Center of curvature
Define the term Normal.
