Light – Reflection and Refraction — Practice Quiz
Gujarat Board · Class 10 · Science
Try a 4-question quiz on Light – Reflection and Refraction for Gujarat Board Class 10 Science: tap an answer to check it and see why.
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Quick Quiz: Light – Reflection and Refraction
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Which of the following statements about light is correct?
What type of mirror is used as a rear-view mirror in vehicles?
The focal length of a spherical mirror is half of its:
A concave mirror forms a real image when the object is placed:
Sample Questions
Which of the following are laws of reflection? (Select all correct answers)
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Angle of incidence equals angle of reflection, Incident ray, normal, and reflected ray lie in same plane
The two laws of reflection are: (1) The angle of incidence is equal to the angle of reflection, and (2) The incident ray, normal at the point of incidence, and reflected ray all lie in the same plane.
What happens to light when it travels from air to water?
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It bends towards the normal
When light travels from a rarer medium (air) to a denser medium (water), it slows down and bends towards the normal. This is due to refraction.
Which of the following properties describe images formed by plane mirrors? (Select all correct answers)
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Virtual, Erect, Same size as object
Images formed by plane mirrors are always virtual (cannot be obtained on screen), erect (upright), and of the same size as the object. They are also laterally inverted.
The refractive index of a medium is the ratio of speed of light in:
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Vacuum to medium
Refractive index of a medium is defined as the ratio of speed of light in vacuum (or air) to the speed of light in that medium. It is always greater than 1 for any medium except vacuum.
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