Tardigrade
Tardigrade - CET NEET JEE Exam App
Exams
Login
Signup
Tardigrade
Question
Physics
Which of the following is a wrong statement ?
Question Error Report
Question is incomplete/wrong
Question not belongs to this Chapter
Answer is wrong
Solution is wrong
Answer & Solution is not matching
Spelling mistake
Image missing
Website not working properly
Other (not listed above)
Error description
Thank you for reporting, we will resolve it shortly
Back to Question
Thank you for reporting, we will resolve it shortly
Q. Which of the following is a wrong statement ?
KCET
KCET 2005
Ray Optics and Optical Instruments
A
$D =\frac{1}{f}$ where $f$ is the focal length and $D$ is called the refractive power of a lens.
15%
B
Power is called a dioptre when $f$ is in metres
22%
C
Power is called a dipotre and does not depend on the system of unit used to measure $f$.
51%
D
$D$ is positive for convergent lens and negative for divergent lens.
12%
Solution:
Power of a lens in dioptre depends upon system of units