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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.
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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.
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संबंधित प्रश्न
Define the following term in the context of spherical mirrors:- Pole
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
- A small object is placed 150 mm away from a diverging lens of focal length 100 mm.
- Copy the figure below and draw rays to show how an image is formed by the lens.
- Calculate the distance of the image from the lens by using the lens formula.
- Copy the figure below and draw rays to show how an image is formed by the lens.
- The diverging lens in part (a) is replaced by a converging lens also of focal length 100 mm. The object remains in the same position and an image is formed by the converging lens. Compare two properties of this image with those of the image formed by the diverging lens in part (a).
Name the mirrors shown in Figure (a) and (b).
Define the following term in relation to concave mirror.
Pole
What do you understand by the term real image?
What is the relationship between the focal length and radius of curvature?
Name the two types of spherical mirrors.
