Reflection of light at curved surfaces — Important Questions
Telangana Board · Class 10 · Physical Sciences
44 important questions from Reflection of light at curved surfaces for Telangana Board Class 10 Physical Sciences, with answers.
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Important Questions from Reflection of light at curved surfaces
What type of image is formed when an object is placed between the pole and focus of a concave mirror?
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Virtual and erect
When object is between pole and focus of concave mirror, the reflected rays diverge and appear to meet behind the mirror, forming a virtual, erect, and enlarged image.
Which of the following are characteristics of images formed by convex mirrors? (Select all correct answers)
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Always virtual, Always erect, Always diminished
Convex mirrors always form virtual, erect, and diminished images regardless of the object position. They never form real, inverted, or enlarged images.
The mirror formula is given by:
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1/f = 1/u + 1/v
The mirror formula relates focal length (f), object distance (u), and image distance (v) as 1/f = 1/u + 1/v, applicable to all spherical mirrors.
What happens to parallel rays after reflection from a convex mirror?
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They appear to diverge from the focus
Parallel rays reflected from a convex mirror appear to diverge from the focus when extended backwards. The focus of a convex mirror is virtual.
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