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प्रश्न
Light travels in the same straight line path while passing through different media.
पर्याय
True
False
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उत्तर १
False.
उत्तर २
False.
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संबंधित प्रश्न
Explain with a suitable diagram, how a concave mirror converges a parallel beam of light rays. Mark clearly the pole, focus and centre of curvature of concave mirror in this diagram.
Which mirror always produces a virtual, erect and diminished image of an object?
Give two uses of a convex mirror. Explain why you would choose convex mirror for these uses.
The diagrams show the appearance of a fork when placed in front of and close to two mirrors A and B, turn by turn.
- Which mirror is convex?
- Which mirror is concave?
Give reasons for your choice.
An object is kept at a distance of 5 cm in front of a convex mirror of focal length 10 cm. Calculate the position and magnification of the image and state its nature.
Draw a diagram to represent a convex mirror. On this diagram mark principal axis, principal focus F and the centre of curvature C if the focal length of convex mirror is 3 cm.
The diagram given below in fig shows a ray of light AO falling on a surface separating two media. Draw the refracted ray in each, case.
Assertion: Convex mirrors are used as a rearview mirror in vehicles for observing traffic at our back.
Reason: A convex mirror has a much larger field of view.
The image formed by a convex mirror is always ______.
Which type of mirror is used in the following?
Street lights
