Correct answer: 15. v = 3u v  u = 20 2u = 20 u = 10 cm 1 1 1 30 10 f     f = 15 cm

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AITS & Test SerieshardNUMERICAL

Question

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Answer: 15

💡 Solution & Explanation

v = 3u v  u = 20 2u = 20 u = 10 cm 1 1 1 30 10 f     f = 15 cm

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