Advertisements
Advertisements
प्रश्न
A convex lens forms an image of an object equal to the size of the object. State two more characteristics of the image.
उत्तर
The image formed is real and inverted.
APPEARS IN
संबंधित प्रश्न
An object 5 cm in length is held 25 cm away from a converging lens of focal length 10 cm. Draw the ray diagram and find the position, size and the nature of the image formed.
If you focus the image of a distant object, whose shape is given below, on a screen using a convex lens, the shape of the image of this object on the screen would be:
(a)
(b)
(c)
(d)
A beam of light travelling in air is incident of water. Draw a ray-diagram indicating the change in its path in water.
Draw a labelled ray diagram to show how a ray of light is refracted when it passes:
from air into an optically denser medium.
Fill in the following blank with suitable word:
The image in a convex lens depends upon the distance of the ........... from the lens.
What kind of lens can form:
an erect magnified image?
A parallel oblique beam of light falls on a convex lens. Draw a diagram to show the refraction of light through the lens.
State two applications of a convex lens.
A candle is placed between f and 2f a convex lens. Draw a ray diagram showing the position of the image.
Write the name.
The lens used in simple microscope.