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प्रश्न
Where must the object be placed for the image formed by a converging lens to be:
virtual, upright and larger than the object?
उत्तर
For a convex lens:
To form a virtual, upright and larger image than the object, the object should be between F(focus) and the optical centre.
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संबंधित प्रश्न
Explain with the help of a diagram, why the concave lens is also called a diverging lens.
Define the principal focus of a concave lens.
Take down this figure into your answer book and complete the path of the ray.
With the help of a diagram, explain why the image of an object viewed through a concave lens appears smaller and closer than the object.
How would a pencil look like if you saw it through
a concave lens Is the image real or virtual?
An object is placed on the axis of a lens. An image is formed by refraction in the lens. For all positions of the object on the axis of the lens, the positions of the image are always always between the lens and the object Draw a ray diagram to show it.
A lens forms an upright and diminished image of an object irrespective of its position. What kind of lens is this?
How will you differentiate between a convex and a concave lens by looking at
- a distant object,
- a printed page?
Draw images in case of a concave lens when the object is at infinity.
Draw images in case of a concave lens when the object is at any point on the principal axis between the lens and infinity.
