Advertisements
Advertisements
Question
In a completely dark room, if you hold up a mirror in front of you, will you see a reflection of yourself in the mirror?
Advertisements
Solution
An image is formed due to the reflection of light by a plane mirror. In a completely dark room, there is no light present in the room. Thus, no reflection of light takes place by the mirror placed in the room. Hence, no image will get formed by a mirror in a completely dark room.
RELATED QUESTIONS
Differentiate between the reflection of light from a plane mirror and that from a plane sheet of paper.
Give two uses of concave mirror.
In the figure is shown a concave mirror. A is a point on the principal axis. If an object O is kept at A, image is formed on A itself. Copy the diagram. Draw the image in the diagram. Is the image real or virtual?
Measure the distance PA and write it in the diagram. What is the distance PA called?
Mark a point B on the principal axis, at which, if a point source of light is kept, the rays travel parallel to principal axis after reflection from M. What is point B called?
The reflection of a ray of light (OA) normally incident on a plane mirror is shown below
What are the angles of incidence and reflection?
Locate the image termed when the object is placed between two planes as shown in the following figure.
Differentiate between a reflection and a shadow
State whether true or false. If false, correct the statement.
The reason for brilliance of diamonds is total internal reflection of light.
Part of the eye which controls the light entering is called
