A point source of light B is placed at a distance L in front of the centre of a mirror of…
Physics · JEE Main · NTA Exams — Optics
A point source of light B is placed at a distance L in front of the centre of a mirror of width d hung vertically on a wall. A man walks in front of the mirror along a line parallel to the mirror at a distance 2L from it as shown. The greatest distance over which he can see the image of the light source in the mirror is
- d/2
- d
- 2d
- 3d
Answer
(D) 3d
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Parallel rays of light are focussed by a thin convex lens. A thin concave lens of same focal length is then…
- Diameter of human eye lens is 2 mm. What will be the minimum distance between two points to resolve them…
- If a flint lens glass of dispersive power 0.066 renders achromatic to a convex lens of crown glass of focal…
- A small plane mirror is placed at the centre of a spherical screen of radius R. A beam of light is falling on…
- An object is placed at 10 cm from a lens and real image is formed with magnification of 0.5 . Then the lens…
- In Young’s double slit experiment, the interference pattern is found to have an intensity ratio between…
- A convergent lens of focal length 20 cm and made of a material with refractive index 1.1 is immersed in water…
- When viewed in white light, soap bubbles show colours because of