Advertisements
Advertisements
प्रश्न
Identify the following kind of beam of light.
Advertisements
उत्तर
A parallel beam of light
APPEARS IN
संबंधित प्रश्न
Fill in the blank
The image formed by a plane mirror is erect and _____
The diagram in Fig. shows an incident ray AO and the reflected ray OB from a plane mirror. The angle AOB is 30°. Draw normal on the plane mirror at the point O and find:
Explain the following term :
Plane mirror
Draw diagram/diagrams to show them.
Two plane mirrors are placed making an angle θ in between them. Write an expression for the number of images formed of an object placed in between the mirrors. State the condition, if any.
Two plane mirrors are placed making an angle θ° in between them. For an object placed in between the mirrors, if angle is gradually increased from 0° to 180°, how will the number of images change : increase, decrease or remain unchanged?
An object is placed (i) asymmetrically (ii) symmetrically, between two plane mirrors inclined at an angle of 50°. Find the number of images formed.
By drawing a neat diagram define the following:
Mirror
Parallel rays are incident:
- on regular surface and
- on irregular surface. In what respect do reflected rays in (1) differ from those of (2)?
Write down the letters of the word ‘POLEX’ as seen in a plane mirror, held parallel to the plane of this paper.
Select the correct option:
In case of concave mirror, the minimum distance between an object and its real image is:
