हिंदी

A converging lens has focal length of 50 mm. What is the power of the lens?

Advertisements
Advertisements

प्रश्न

A converging lens has focal length of 50 mm. What is the power of the lens?

संख्यात्मक
Advertisements

उत्तर

Power of a lens is given by: 

Power (P) `=1/f` 

∴`p=1/(50xx10^-3)=1000/50=20.D`

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 2: Refraction of Light - Exercise 7 [पृष्ठ १३१]

APPEARS IN

लखमीर सिंग Physics [English] Class 10
अध्याय 2 Refraction of Light
Exercise 7 | Q 11. | पृष्ठ १३१
Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×