What is the focal length of a biconvex lens of radii of each surface 50 cm and refractive index 1.5?
Answer & explanation
Correct answer: option 3
Use Lens Maker's Formula :
\(\frac{1}{f} = (μ-1) ( \frac{1}{R1} - \frac{1}{R2}\) )
What is the focal length of a biconvex lens of radii of each surface 50 cm and refractive index 1.5?
Correct answer: option 3
Use Lens Maker's Formula :
\(\frac{1}{f} = (μ-1) ( \frac{1}{R1} - \frac{1}{R2}\) )