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Convex lens produces a real image of same size as the object when the object is placed
at a distance of 20cm from the lens. Calculate the power of the lens?
at a distance of 20cm from the lens. Calculate the power of the lens?
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Convex lens produces a real image of same size as the object when the ...
Calculation of Power of Convex Lens
By following the above steps, we can calculate the power of the convex lens, which is found to be 5 diopters.
- Given: The object is placed at a distance of 20 cm from the convex lens, and a real image of the same size as the object is formed.
- Formula: The formula to calculate the power of a lens is P = 1/f, where P is the power of the lens in diopters and f is the focal length of the lens in meters.
- Calculation: Since the image is of the same size as the object, the magnification is 1. Therefore, the image distance (v) is equal to the object distance (u).
- Using the lens formula: 1/f = 1/v - 1/u
- Substitute the values: 1/f = 1/0.20 - 1/-0.20 (since the object distance is -20 cm)
- Solving the equation: 1/f = 10 - (-10) = 20
- Therefore: The focal length (f) of the lens is 0.20 meters.
- Calculating the power: P = 1/f = 1/0.20 = 5 diopters
By following the above steps, we can calculate the power of the convex lens, which is found to be 5 diopters.
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Convex lens produces a real image of same size as the object when the object is placed at a distance of 20cm from the lens. Calculate the power of the lens?
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Convex lens produces a real image of same size as the object when the object is placed at a distance of 20cm from the lens. Calculate the power of the lens? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Convex lens produces a real image of same size as the object when the object is placed at a distance of 20cm from the lens. Calculate the power of the lens? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Convex lens produces a real image of same size as the object when the object is placed at a distance of 20cm from the lens. Calculate the power of the lens?.
Convex lens produces a real image of same size as the object when the object is placed at a distance of 20cm from the lens. Calculate the power of the lens? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about Convex lens produces a real image of same size as the object when the object is placed at a distance of 20cm from the lens. Calculate the power of the lens? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Convex lens produces a real image of same size as the object when the object is placed at a distance of 20cm from the lens. Calculate the power of the lens?.
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