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प्रश्न
उत्तर
A parallel beam of light is the beam in which rays of light travel parallel to each other. A divergent beam of light is the beam of light in which rays of light diverge from each other as the beam progresses
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संबंधित प्रश्न
Select the correct alternative
The angle between the incident ray and the ray reflected from the plane mirror is 70°. The angle of incidence will be :
The diagram in fig. shows an incident ray AO and the normal ON on a plane mirror. Draw the reflected ray. State the law you use to draw the direction of the reflected ray.
Write three characteristics of the image formed by a plane mirror?
By drawing a neat diagram define the following:
Mirror
A ray of light strikes a plane mirror, such that the angle with the mirror is 20°. What is the value of angle of reflection? What is the angle between the incident ray and the reflected ray?
Calculate the number of images formed in two plane mirrors, when they are held at the angle of (i) 72° (ii) 36°.
What must be the minimum length of a plane mirror in which a person can see himself full length? Draw a diagram to justify your answer. Does the distance of a person from the mirror affect the above answer?
Select the correct option:
A ray of light is incident on a concave mirror. If it is parallel to principal axis, the reflected ray will:
Select the correct option:
In case of concave mirror, the minimum distance between an object and its real image is:
