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RRB JE CBT-1Physics
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What is the focal length of a convex lens if an object placed at 30 cm from the lens produces a real image at 15 cm from the lens?

A

10 cm

B

20 cm

C

5 cm

D

15 cm

Correct Answer

🔬 SC • Science Verified SolutionRRB JE CBT-1Physics
Option A

10 cm

Quick Summary:

Practice and solve "What is the focal length of a convex lens if an object placed at 30 cm from the lens produces a real..." for RRB JE CBT-1 - Physics · The correct answer is Option A: 10 cm · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.

Concept & Solution

Practice and solve "What is the focal length of a convex lens if an object placed at 30 cm from the lens produces a real..." for RRB JE CBT-1 - Physics · The correct answer is Option A: 10 cm · Detailed step-by-step solution, conceptual clarity, and formulas on Examoogle.

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