Question 18
Light and ReflectionCalculate the height of the image formed by a pinhole camera of length 12cm used to photograph an object 60cm away from the hole and 70cm high
- A.10cm
- B.16cm
- C.5cm
- D.14cm
Show the answer and explanation
Answer: D (14cm)
Explanation
Image height ÷ object height = image distance ÷ object distance, so h = 70 × 12 ÷ 60 = 14 cm.