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प्रश्न
Define the term Normal.
उत्तर
Normal to the surface of a mirror at any point is the straight line at the right angle to the tangent drawn at that point.
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संबंधित प्रश्न
Which type of mirror can form a real image?
The shiny outer surface of a hollow sphere of aluminium of radius 50 cm is to be used as a mirror:
State whether this spherical mirror will diverge or converge light rays.
Mention the types of mirrors used as (i) rear view mirrors, (ii) shaving mirrors. List two reasons to justify your answers in each case.
State the types of mirrors used for (i) headlights and (ii) rear view mirror, in cars and motorcycles. Give to justify your answer in each case.
Explain the following term:
Incident ray
Draw diagram/diagrams to show them.
Name the spherical mirror which (i) diverges (ii) converges the beam of light incident on it. Justify your answer by drawing a ray diagram in each case.
Does the mirror mentioned in part (b) form real image for all locations of the object?
Upto what maximum distance from a concave mirror, the image can be obtained? What will be the location of object for it?
In normal adjustment, for a refracting telescope, the distance between objective and eye piece is 30 cm. The focal length of the objective, when the angular magnification of the telescope is 2, will be ______.
