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प्रश्न
Complete the ray diagram to show how the rays pass into and out of the lens?
उत्तर
The path of the ray is shown in the diagram.
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संबंधित प्रश्न
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State two differences between a convex and a concave lens.
Which type of lens forms always a virtual image?
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If a spherical lens has a power of, −0.25 D, the focal length of this lens will be :
(a) −4 cm
(b) −400 mm
(c) −4 m
(d) −40 cm
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Complete the following table for convex lens:
| Sr. No. | Position of the object | Position of the image | Nature of the image |
| 1. | Beyond 2F1 | __________________ | ________________________ |
| 2. | __________________ | At infinity | ________________________ |
| 3. | __________________ | __________________ | Real, inverted and enlarged |
