Question
Question: A film projector magnifies a 100 cm<sup>2</sup> film strip on a screen. If the linear magnification ...
A film projector magnifies a 100 cm2 film strip on a screen. If the linear magnification is 4, the area of magnified film on screen is –
A
1600 cm2
B
400 cm2
C
800 cm2
D
200 cm2
Answer
1600 cm2
Explanation
Solution
AI = m2A0
\ AI = (4)2 × 100
\AI = 1600 cm2