Subject Experts Solutions for Chapter: Light Reflection, Refraction and Human Eye, Exercise 1: Target Exercise

Which one of the following correctly defines the reflection of light ray on a spherical mirror?

The distance $v$ of the real image formed by a convex lens is measured for various object distance $u$. A graph is plotted between $v,u$. Which one of the following is correct?

How will the image formed by a convex lens be affected  if the upper half of the lens is covered with a black paper?

Which of the following would form a highly diminished image at focus?

An object is placed at a distance $30 \mathrm{cm}$ from a convex mirror of focal length $15 \mathrm{cm}$. The image formed is :

A $10 \mathrm{mm}$ long alpine is placed vertically in front of a concave mirror. A $5 \mathrm{mm}$ long image of the alpine is formed at a distance of $30 \mathrm{cm}$ in front of the mirror. The focal length of this mirror is :

Figure shows a ray of light as it travel from medium A to medium B. The refractive index of medium B relative to medium A is :

A light bulb is placed between two plane mirrors inclined at an angle of $60°$. The number of images formed are: