Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 10 Answered

How can we decided the power of lenses is positive or negative ? Is the image distance for a convex lens is positive ?
Asked by Prajyot Tugaonkar | 11 Jan, 2014, 08:35: PM
answered-by-expert Expert Answer
Power of a lens is inverse of its focal length. The focal length of convex lens is positive, so its power is also positive. The focal length of concave lens is negative, so its power is also negative.
The image distance for a convex lens is positive for real image and negative for virtual image.
Answered by | 12 Jan, 2014, 08:29: PM
CBSE 10 - Physics
Asked by suryamr2019 | 08 Mar, 2024, 04:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by nandanagnair | 17 Dec, 2023, 03:44: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by 0 0 | 19 Oct, 2023, 03:51: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by bubbynaik77 | 29 Sep, 2023, 09:34: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by gurcharansingh37306 | 10 Sep, 2023, 12:53: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 10 - Physics
Asked by Shiwani.Sawant | 28 Jul, 2023, 09:42: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×