Physics · Light - Reflection and Refraction
Suppose a pin is placed in front of a concave mirror and a real image that is thrice the size of the pin is formed on a screen. The pin and the screen are then moved until the image is six times the size of the object. If the shift of the screen is 24 cm, then the shift in the object is:
- 15 3 cm
- 22 3 cm
- 34 3 cm✓
- 47 3 cm
Correct answer
4 3 cm
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