Advertisements
Advertisements
प्रश्न
The SI unit of focal length of a concave lens is ______.
विकल्प
meter
-metre
dioptre
metre per second
MCQ
रिक्त स्थान भरें
Advertisements
उत्तर
The SI unit of focal length of a concave lens is meter.
Explanation:
Focal length is a distance, and the SI unit of length/distance is always the metre, irrespective of whether the lens is concave or convex.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
