Advertisements
Advertisements
प्रश्न
Advertisements
उत्तर
APPEARS IN
संबंधित प्रश्न
A small object is placed 150 mm away from a diverging lens of focal length 100 mm.
(i) Copy the figure below and draw rays to show how an image is formed by the lens.
Figure
(ii) Calculate the distance of the image from the lens by using the lens formula.
Write true or false
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
Does the mirror mentioned in part (b) form real image for all locations of the object?
Write the spherical mirror's formula and explain the meaning of each symbol used in it.
At what distance from a concave mirror of focal length 25 cm should an object be placed so that the size of image is equal to the size of the object.
Does the mirror name by your form a real image for all locations? Give a reason for your answer.
Define the term Aperture.
What is a mirror formula?
