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प्रश्न
- Name the lens which always forms an erect and virtual image.
- State whether the image in part (a) is magnified or diminished.
उत्तर
- Concave lens
- Image is diminished
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संबंधित प्रश्न
Where must the object be placed for the image formed by a converging lens to be:
real, inverted and same size as the object?
Where must the object be placed for the image formed by a converging lens to be:
virtual, upright and larger than the object?
Fill in the following blank with suitable word:
A convex lens .................. rays of light, whereas a concave lens .................. rays of light.
Fill in the following blank with suitable word:
Lenses refract light to form images: a..................... lens can form both real and virtual images, but a diverging lens forms only ...................... images.
Things always look small on viewing through a lens. What is the nature of the lens?
Which type of lens is :
a converging lens, and which is
When an object is placed 10 cm in front of lens A, the image is real, inverted, magnified and formed at a great distance. When the same object is placed 10 cm in front of lens B, the image formed is real, inverted and same size as the object.
What is the nature of lens B?
What kind of lens is used to correct
short-sightedness
State two applications of a concave lens.
Convex lens : converging : : concave lens : _______
