Advertisements
Advertisements
Question
Find the odd one.
sun, candle, torch, pen
Solution
Pen
APPEARS IN
RELATED QUESTIONS
Select the correct alternative
The property due to which a light ray striking a surface is returned back into the same medium is called
How is a plane mirror made ?
If the angle between the mirror and the reflected ray is 23∘, what is the angle of incidence of the incidence ray?
A ray is incident on a plane mirror . Its reflected ray is perpandicular to the incident ray . Find the angle of incidence .
Describe the principle of simple periscope through an outline ray diagram. Give one of its uses.
A converging mirror, forms three times magnified virtual image when an object is placed at a distance of 8 cm from it. Calculate:
- the position of the image
- the focal length of the mirror.
State whether the following statement is true or false. If false, correct it.
If a ray of light incident on a plane mirror is such that it makes an angle of 30o with the mirror, then the angle of reflection is 60o.
The word PLATE written on a paper is held in front of a plane mirror. Write down the letters as seen in the following case.
The paper is held parallel to the mirror.
Complete the path of incident ray in the following case.
Play with a mirror
Write your name with a sketch pen on a thin sheet of paper, polythene or glass. Read your name on the sheet while standing in front of a plane mirror. Now look at your image in the mirror.
