Advertisements
Advertisements
Question
An image formed by a concave ______ cannot be obtained on a screen.
Advertisements
Solution
An image formed by a concave lens cannot be obtained on a screen.
Explanation:
A concave lens diverges light rays, creating a virtual image that appears to be located on the same side as the object and cannot be projected onto a screen.
APPEARS IN
RELATED QUESTIONS
Define focal length of a divergent lens.
A concave lens always forms a virtual image.
A real image cannot be obtained on a screen.
State two differences between a convex and a concave lens.
A diverging mirror of radius of curvature 40 cm forms an image which is half the height of the object. Find the object and image positions.
Explain why, a stick half immersed in water appears to be bent at the surface. Draw a labelled diagram to illustrate your answer.
Write the new Cartesian sign convention for spherical lenses.
If a spherical lens has a power of, −0.25 D, the focal length of this lens will be :
(a) −4 cm
(b) −400 mm
(c) −4 m
(d) −40 cm
My grandfather uses a bifocal lens in his spectacle. Explain why.
Which diagram shows image formation of an object on a screen by a converging lens?
