![An object at a distance of 30 cm from a concave mirror gets its image at the same point. The focal length of the mirror is](https://www.gkseries.com/blog/wp-content/uploads/2022/05/An-object-at-a-distance-of-30-cm-from-a-concave-mirror-gets-its-image-at-the-same-point.-The-focal-length-of-the-mirror-is.png)
Q. An object at a distance of 30 cm from a concave mirror gets its image at the same point. The focal length of the mirror is
A. – 30 cm
B. 30 cm
C. – 15 cm
D. +15 cm
Answer: – 15 cm
A. – 30 cm
B. 30 cm
C. – 15 cm
D. +15 cm
Answer: – 15 cm
Government Schemes Mock Test | Start Test! |
Political Science Mock Test – 42 | Start Test |
History Test – 190 | Start Test |
Quantitative Aptitude Test | Start Test! | Data Interpretation - Mock Test | Start Test! |
General Awareness - Mock Test | Start Test! |
Reasoning Ability - Mock Test | Start Test! |