2023-2024 cbse class 10 sample question paper – Discussion Forum

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Subham Kumar

Asked: December 30, 2023In: Class 10 Science

An object of height h is kept at point P in front of a mirror as shown below. The height of the image produced is h’. In the diagram, F is the focus and C is the centre of curvature. (a) If the object is now moved to point C, will the height of the image now produced be less than, equal to, or greater than h’? Give a reason for your answer. (b) If the focal length of the mirror is 20 cm and the distance between points P and C is 10 cm, determine the distance between the images produced when the object is kept at P and C.

An object of height h is kept at point P in front of a mirror as shown below. The height of the image produced is h’. In the diagram, F is the focus and C is the centre of curvature. (a) If the object is now moved to point C, will the height of the image now produced be less than, equal to, or greater than h’? Give a reason for your answer. (b) If the focal length of the mirror is 20 cm and the distance between points P and C is 10 cm, determine the distance between the images produced when the object is kept at P and C.

A curved mirror, whether concave or convex, has a focal point where parallel rays either converge (concave) or diverge (convex). This point, called the focal point, is crucial in understanding image formation and optical properties of curved mirrors.