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Questions and Answers
What is the formula used to calculate focal length, object distance, and image distance for a convex mirror?
What is the formula used to calculate focal length, object distance, and image distance for a convex mirror?
- 1f = 1/u + 1/v
- -1/f = 1/u - 1/v (correct)
- 1/f = u + 1/v
- 1f = 1/u - 1/v
In which type of mirror is the image magnified and located behind the mirror when the object is inside the focus?
In which type of mirror is the image magnified and located behind the mirror when the object is inside the focus?
- Concave lens
- Convex mirror
- Concave mirror (correct)
- Plane mirror
What is the critical angle defined as?
What is the critical angle defined as?
- The angle of incidence whose corresponding angle of reflection is 0 degrees
- It is the same as the angle of incidence
- The angle of refraction when light passes from denser to rarer medium
- The angle of incidence whose corresponding angle of refraction is 90 degrees (correct)
Which type of lens produces virtual images?
Which type of lens produces virtual images?
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What is the power of two lenses in contact (P) equal to?
What is the power of two lenses in contact (P) equal to?
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What is the speed of light?
What is the speed of light?
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Which type of reflection occurs when light scatters off a rough surface in all directions?
Which type of reflection occurs when light scatters off a rough surface in all directions?
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What is the first law of reflection?
What is the first law of reflection?
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An image formed by a convex mirror is always, (select the correct option).
An image formed by a convex mirror is always, (select the correct option).
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Where is the image located for an object placed outside the focus of a concave mirror?
Where is the image located for an object placed outside the focus of a concave mirror?
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