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Bihar TET · Heat, Light and Sound · Quiz

Heat, Light and Sound — quick quiz

5 real Bihar TET questions on Heat, Light and Sound. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.

Question 1 of 5

HARD

A concave mirror forms a real, inverted image of the same size as the object. If the focal length of the mirror is 15 cm, at what distance from the mirror is the object placed?