The power of a convex lens of focal length 20cm - 323 - JAMB Physics 2024 Question
The power of a convex lens of focal length 20cm is
A
0.05D
B
0.50D
C
5.00D
D
50.00D
Ask EduPadi AI for a Detailed Answer
Correct Option: C
The power of a lens is the reciprocal of its focal length in meters.
Here's how to solve the problem:
- Convert focal length to meters: 20 cm = 0.20 m
- Calculate power: Power (P) = 1 / focal length (f) = 1 / 0.20 m = 5.0 D (diopters)
Please share this, thanks:
#JAMB #JAMB
Add your answer
No responses