Advertisements
Advertisements
प्रश्न
An image which can be obtained on a screen is called a ______ image.
Advertisements
उत्तर
An image which can be obtained on a screen is called a real image.
Explanation:
A real image is formed by converging light rays and can be projected onto a screen, making it visible at the point where the rays meet.
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:
in a plane mirror?
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
When an object of height 1 cm is kept at a distance 4 cm from a concave mirror, its erect image of height 1.5 cm is formed at a distance 6 cm behind the mirror. Find the focal length of mirror, by drawing.
Answer the following question.
Write the modification in the curvature of the eye lens which enables us to see the nearby objects clearly?
Select the correct option:
Looking into a mirror one finds her image diminished, the mirror is:
What is a mirror formula?
Geometric centre of the spherical mirror is ______.
The radius of curvature of a spherical mirror is 18 cm. What is the focal length of this mirror?
