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When an object is placed 14 cm away from a concave mirror, the height of its upright image is double its height. What is the focal length of the mirror? Of= 28/3 cm O f = 28 cm O f = 8 cm O f = 24 cm O f = -8 cm

When an object is placed 14 cm away from a concave mirror, the height of its upright image is double its height. What is the focal length of the mirror? Of= 28/3 cm O f = 28 cm O f = 8 cm O f = 24 cm O f = -8 cm

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The real image formed with a mirror M1 is located 18 cm from it. The mirror M1 is replaced by a mirror M2 with a double radius of curvature (R2 = 2xR1) while maintaining the object distance fixed. The new image distance can be written as: q2 = 9XR1/(R1 - 9) %3D q2 = 18XR1/(R1 - 18) q2 = 9XR1/(9 - R1) q2 = -12XR1/(R1 - 12) O q2 = 18XR1/(18 - R1 ) %3D
Transcribed Image Text:The real image formed with a mirror M1 is located 18 cm from it. The mirror M1 is replaced by a mirror M2 with a double radius of curvature (R2 = 2xR1) while maintaining the object distance fixed. The new image distance can be written as: q2 = 9XR1/(R1 - 9) %3D q2 = 18XR1/(R1 - 18) q2 = 9XR1/(9 - R1) q2 = -12XR1/(R1 - 12) O q2 = 18XR1/(18 - R1 ) %3D
When an object is placed 14 cm away from a concave mirror, the height of its upright image is double its height. What is the focal length of the mirror? O f = 28/3 cm O f = 28 cm O f = 8 cm O f = 24 cm O f = -8 cm
Transcribed Image Text:When an object is placed 14 cm away from a concave mirror, the height of its upright image is double its height. What is the focal length of the mirror? O f = 28/3 cm O f = 28 cm O f = 8 cm O f = 24 cm O f = -8 cm
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