Advertisements
Advertisements
प्रश्न
Only one of the following applies to a concave lens. This is:
(a) focal length is positive
(b) image distance can be positive or negative
(c) height of image can be positive or negative
(d) image distance is always negative
Advertisements
उत्तर
image distance is always negative
Because a concave lens always forms a virtual image on the left side of the lens.
shaalaa.com
क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
