ലെൻസിന്റെ പവർ അളക്കുന്ന യൂണിറ്റ് :
Aഡയോപ്റ്റർ
Bഫാരഡ്
Cഡസിബെൽ
Dവാട്ട് -
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Related Questions:
An object. 3.0 cm in height, is placed at a distance of 20.0 cm in front of a convex mirror of focal length 6.0 cm. on its principal axis. Its image has a height of _______and is_____?
The magnification 'm' produced by a convex lens when the object is placed at a distance 2f from the lens is given by?
A lens having power 8 D is kept in contact with another lens having power -4 D. The lens combination will act as a?
An object is placed on the principal axis of a convex lens of focal length 12 cm, at a distance magnification produced by the lens is ______and the image is_______?
Power of a lens is 10 D, its focal length is :