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प्रश्न
A candle is placed between f and 2f a convex lens. Draw a ray diagram showing the position of the image.
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संबंधित प्रश्न
A student is using a convex lens of focal length 18 cm to study the image formation by it for the various positions of the object. He observes that when he places the object at 27 cm, the location of the image is at 54 cm on the other side of the lens. Identify from the following diagram the three rays that are obeying the laws of refraction and may be used to draw the corresponding ray diagram.
(A) 1, 2 and 4
(B) 1, 3 and 5
(C) 2, 4 and 5
(D) 2, 3 and 4
One-half of a convex lens is covered with a black paper. Will this lens produce a complete image of the object? Verify your answer experimentally. Explain your observations.
Draw a labelled ray diagram to show the angle of incidence and the angle of refraction for a refracted ray of light.
Define the term principal axis of a lens.
A parallel oblique beam of light falls on a convex lens. Draw a diagram to show the refraction of light through the lens.
In the following cases, where must an object be placed in front of a convex lens so that the image formed is upright and enlarged?
Which lens can produce a real and inverted image of an object?
Write the name.
The lens used in simple microscope.
Convex lens is also known as ______.
- In which type of microscope do you find the lens arrangement as shown in the following diagram?
- Write about the working and the use of this microscope.
