Advertisements
Advertisements
प्रश्न
Select the most appropriate word from the given box and fill in the following blanks.
| refracted diameter converging power convex small concave dioptre diverging focal length two aperture |
A lens has ______ surfaces.
रिक्त स्थान भरें
Advertisements
उत्तर
A lens has two surfaces.
Explanation:
A lens is a transparent refracting medium bounded by two curved surfaces or one curved and one plane surface.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Light - Graded Assignment 2.2 [पृष्ठ १३२]
