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Detailed Explanation & Practice: Mirror Formula Video Lecture - Class 10

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FAQs on Detailed Explanation & Practice: Mirror Formula Video Lecture - Class 10

1. What is the mirror formula?

Ans. The mirror formula is an equation used to calculate the focal length of a mirror. It is given by the formula: 1/f = 1/v + 1/u, where f is the focal length, v is the image distance, and u is the object distance.

2. How is the focal length of a mirror calculated using the mirror formula?

Ans. To calculate the focal length of a mirror using the mirror formula, we need to know the object distance (u) and the image distance (v). By substituting these values into the formula 1/f = 1/v + 1/u, we can solve for the focal length (f).

3. What does a positive and negative value of focal length indicate in the mirror formula?

Ans. A positive value of focal length indicates that the mirror is a concave mirror, while a negative value indicates that the mirror is a convex mirror. This is due to the difference in the curvature of the mirror surface.

4. How can the mirror formula be used to determine the nature of an image formed by a mirror?

Ans. By using the mirror formula, we can determine whether the image formed by a mirror is real or virtual, erect or inverted, and magnified or diminished. If the image distance (v) is positive, the image is real. If the image distance is negative, the image is virtual. If the magnification (m) is positive, the image is erect. If the magnification is negative, the image is inverted. If the magnification is greater than 1, the image is magnified. If the magnification is less than 1, the image is diminished.

5. Can the mirror formula be applied to both concave and convex mirrors?

Ans. Yes, the mirror formula can be applied to both concave and convex mirrors. However, it is important to note that the sign conventions for object distance (u), image distance (v), and focal length (f) differ between concave and convex mirrors. In concave mirrors, u and v are measured from the pole of the mirror, while in convex mirrors, they are measured from the same side as the object.

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	Nov 07, 2024 Last updated

Detailed Explanation & Practice: Mirror Formula for Class 102024 is part of Class 10 preparation. The notes and questions for Detailed Explanation & Practice: Mirror Formula have been prepared according to the Class 10 exam syllabus. Information about Detailed Explanation & Practice: Mirror Formula covers all important topics for Class 102024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Detailed Explanation & Practice: Mirror Formula.

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