Embibe Experts Solutions for Chapter: Light - Reflection and Refraction, Exercise 1: Goa Board-2018

In a Solar Furnace, sunlight is concentrated at the ________ of the concave mirror.

A ray of light travelling in air enters obliquely into a glass slab. Does the ray move towards the normal or away from it?

Name the law represented by the formula: $n=\frac{\sin \mathrm{i}}{\sin \mathrm{r}}$

Vimal combs her hair is front of a plane mirror. Write two characteristics of her image.

Draw a Ray diagram to show the formation of an image when the object is placed between the pole and the focus of a Concave Mirror.

If the Magnification produced by a Convex Lens is $-1.5$, what would be the position and nature of the image.

Draw Ray diagram to show the formation of an image when the object is placed between ${\mathrm{F}}_1$ and $2{\mathrm{F}}_1$ of a convex lens.

An object is placed at a distance of $15 \mathrm{cm}$ in front of a Concave Mirror. If an image of its is formed at $30 \mathrm{cm}$ from the mirror, find the focal length of the mirror.