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Online Practice: Refraction of light through a prism, microscope and astronomical telescope (reflecting and refracting) and their magnifying powers for JEE

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Sharpen your physics preparation with interactive online practice for Refraction of light through a prism, microscope and astronomical telescope (reflecting and refracting) and their magnifying powers. Goodmarks offers 1+ JEE-style MCQs mapped to the official syllabus, each with detailed explanations so you learn from every attempt.

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Q1PhysicsUnit 16: Optics
Two convex lenses have focal lengths 10 cm\mathrm{cm} and 40cm.40 \mathrm{cm} . If a telescope has to be made by using these two lenses 1. The distance between the lenses should be 50cm50 \mathrm{cm} 2. The distance between the lenses should be 30cm30 \mathrm{cm} 3. The magnifying power of this telescope will be 5 4. An inverted image will be produced in this telescope Which two of the give are correct?

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