Geometrical OpticsHard
Question
The distance of an object from a spherical mirror is equal to the focal of the mirror. Then the image :
Options
A.must be at infinity
B.may be at infinity
C.may be at the focus
D.none
Solution
Image formation by concave mirror when object is real & placed at focus, f forms image at infinity but not in other cases.
Create a free account to view solution
View Solution FreeMore Geometrical Optics Questions
An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment dista...A ray of light is incident on the hypotenuse of a right-angled prism after travelling parallel to the base inside the pr...If an object is placed 20 cm in front of a half thin convex lens of focal length 10 cm, as shown in figure, then taking ...A thin convex lens of focal length ′f′ is put on a plane mirror as shown in the figure. When an object is ke...The diagram shows five isosceles right angle prisms. A light ray incident at 90o at the first face emerges at same angle...