Advertisements
Advertisements
Question
Name the type of mirror used in the following situation:
Solar furnace
Support your answer with reason.
Solution
Concave Mirror: This is because for solar furnaces, we use a concave mirror. Light from the sun, on reflection from the mirror, is concentrated at the focus of the mirror, producing heat.
APPEARS IN
RELATED QUESTIONS
Explain the following term related to spherical lenses: focal length
A ray of light strikes a plane mirror at an angle of 40° to the mirror surface. What will be the angle of reflection?
Name the spherical mirror which can produce a virtual and diminished image of an object.
Name the two kinds of spherical mirrors and distinguish between them.
Explain the meaning of the terms focus and focal length in case of a convex mirror, with the help of suitable ray diagram.
Draw a ray diagram to show the formation of image by a concave mirror for an object placed between its pole and focus. State three characteristics of the image.
What is meant by magnification? Write its expression. What is its sign for the (a) real (b) virtual, image?
What is a mirror formula?
Define the term Pole.
Define the term Principle focus.
A concave mirror can be used to produce a parallel beam of light. Draw a ray to illustrate this.
In torches, search lights and headlights of vehicles the bulb is placed ______.
A shopkeeper wanted to fix a mirror that will give a maximum view of his shop. What type of mirror should he use? Give reason.
What is the focal length (f) of a mirror?
In the figure shown, the image of a real object is formed at the point I. AB is the principal axis of the mirror. The mirror must be:
