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प्रश्न
A convex lens forms a real, diminished point-sized image at focus. Then the position of the object is at
विकल्प
focus
infinity
at 2f
between f and 2f
उत्तर
Infinity
APPEARS IN
संबंधित प्रश्न
Show by a ray diagram that a diverging lens cannot form a real image of an object placed anywhere on its principal axis.
Can a concave lens form an image of size two times that of the object? Give reason.
The convex lens always gives small virtual image.
While doing an experiment for the determination of focal length of a convex lens, Raja Suddenly dropped the lens. It got broken into two halves along the axis. If he continues his experiment with the same lens,
- can he get the image?
- Is there any change in the focal length?
Draw ray diagrams showing the image formation by a concave lens when an object is placed
- at the focus of the lens
- between focus and twice the focal length of the lens
- beyond twice the focal length of the lens
Is it possible for a concave lens to form an image of size two times that of the object? Write Yes or No.
Draw a ray diagram to show what happens when a ray of light parallel to the principal axis of a concave lens passes through it.
A lens forms an image between the object and the lens. Draw a ray diagram to show the formation of such an image.
