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प्रश्न
What is a prism?
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उत्तर १
Prism “is a transparent refracting medium bounded by two plane surfaces inclined at some angle.”
उत्तर २
A prism is a transparent optical object with flat, polished surfaces that refract light. It typically has a triangular cross-section and is made of materials like glass or plastic.
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संबंधित प्रश्न
A concave mirror converges the light-rays, but a convex mirror diverges them.
A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
State the changes in the position, size and nature of the image when the object is brought from infinity up to a concave lens. Illustrate your answer by drawing ray diagrams.
The image formed by a pinhole camera is inverted because,
Say TRUE or FALSE
The image formed by the plane mirror is laterally inverted, hence the image seen through the periscope is also laterally inverted
Say TRUE or FALSE
The image formed in a pinhole camera is always inverted
Say TRUE or FALSE
A plane mirror is opaque
Assertion (A): Virtual objects can’t be seen by the human eye.
Reason (R): Virtual image is formed by converging rays.
The image formed by a plane mirror is ______.
A concave lens produces only ______ image.
