Advertisements
Advertisements
प्रश्न
Write two more characteristics of the image.
Advertisements
उत्तर
The image formed is real and inverted.
APPEARS IN
संबंधित प्रश्न
One half of a convex lens of focal length 10 cm is covered with a black paper. Can such a lens produce an image of a complete object placed at a distance of 30 cm from the lens? Draw a ray diagram to justify your answer. A 4 cm tall object is placed perpendicular to its principal axis of a convex lens of focal length 20 cm. The distance of the object from the lens is 15 cm. Find the nature, position and the size of the image.
What type of image is formed:
on a cinema screen?
AB and CD, two spherical mirrors, from parts of a hollow spherical ball with its centre at O as shown in the diagram. If arc AB = `1/2` arc CD, what is the ratio of their focal lengths? State which of the two mirrors will always form virtual image of an object placed in front of it and why.
Complete the following diagrams in Figure by drawing the reflected rays for the incident rays 1 and 2.
Name the kind of mirror used to obtain:
A real and diminished image.
An object forms a virtual image which is 1/8th of the size of the object. If the object is placed at a distance of 40 cm from the convex mirror, calculate:
- the position of the image
- the focal length of the convex mirror.
The spherical mirror with a reflecting surface curved inward is called
