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NSTSE · Light — Reflection and Refraction · Quiz

Light — Reflection and Refraction — quick quiz

4 NSTSE-pattern questions on Light — Reflection and Refraction. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 4

Medium

A concave mirror forms a real image of height 4 cm when the object of height 2 cm is placed 15 cm in front of it. What is the focal length of the mirror?