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A concave mirror converges the light-rays, but a convex mirror diverges them.
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A virtual image formed by a spherical mirror is always erect and situated behind the mirror.
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The angle of incidence for a ray of light passing through the centre of curvature of a spherical mirror is ...........
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A concave mirror forms a virtual image for an object placed ...............................
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The angle between the normal and refracted ray is called
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Describe an experiment to show that a light ray bends when it passes from one transparent medium into another transparent medium.
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Draw a ray diagram to show that the depth of a vessel containing water when seen from above, appears to be less than its real depth.
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Define the following terms :
Incident ray, Refracted ray, Angle of incidence, Angle of refraction.
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A ray of light falls normally on a glass slab. What is the angle of incidence?
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A ray of light travels from a rarer medium to a denser medium. How will it bend?
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The diagram in figure shows a ray of light AO falling on a rectangular glass slab PQRS. Complete the diagram till the ray of light emerges out of the slab. Label on the diagram the incident ray, the refracted ray and the emergent ray.
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What is mirage? Give a reason for its formation?
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State the two laws of reflection of light.
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Name the mirror which always forms an erect and virtual image. What is the size of the image as compared to that of the object?
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Name the mirror which forms an erect, virtual and enlarged image of an object. What is the position of object relative to the mirror?
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What is a real image? Name the mirror which can be used to obtain the real image of an object. What should be the position of the object relative to the mirror?
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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
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Light travels in the same straight line path while passing through different media.
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The angle formed between the normal and the refracted ray is known as the angle of incidence.
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