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प्रश्न
An object is placed well outside the principal focus of a convex lens. Draw a ray diagram to show how the image is formed, and say whether the image is real or virtual.
उत्तर
When an object is placed well outside the principal focus of a convex lens, the image formed is real and inverted as shown in the figure.
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संबंधित प्रश्न
A student obtains a blurred image of a distant object on a screen using a convex lens. To obtain a distinct image on the screen he should move the lens
(A) away from the screen
(B) towards the screen
(C) to a position very far away from the screen
(D) either towards or away from the screen depending upon the position of the object
An object is placed at a long distance in front of a convex mirror of radius of curvature 30 cm. State the position of its image.
If a driver has one convex and one plane rear-view mirror, how would the images in each mirror appear different?
The radius of curvature of a convex mirror used as a rear view mirror in a moving car is 12.0 m. A truck is coming from behind it at a distance of 3.54 m. Calculate (a)
- position and
- size of the image relative to the size of the truck.
- What will be the nature of the image?
A shop security mirror 5.0 m from certain items displayed in the shop produces on-tenth magnification.
What is the type of mirror?
Draw the given diagram in your answer book and complete it for the path of a ray of light after passing through the lens.
An object is placed at a distance of 100 cm from each of the above lenses A and B. Calculate (i) image distance, and (ii) magnification, in each of the two cases.
At the point of incidence, a line drawn at right angles to the surface, separating the two media, is called the normal.
A driver uses a convex mirror as a rearview mirror. Explain the reason with the help of a ray diagram.
List four properties of the image formed by a convex mirror when object is placed between focus and pole of the mirror.
