3) ਕਿਸੇ ਲੈੱਨਜ਼ ਦੀ ਸਮਰੱਥਾ ਉਸਦੀ ਫੋਕਸ ਦੂਰੀ ਦੇ
ਉਲਟ ਹੁੰਦੀ ਹੈ। ਲੈੱਨਜ਼ ਦੀ ਸ਼ਕਤੀ ਦਾ SI ਮਾਕ ਕੀ
J? Power of a lens is the reciprocal of
its focal length. What is the Sl unit of
power of a lens? Rent H 34
की फोकस दूरी का व्युत्क्रम होती है। लेंस की
क्षमता का S| मात्रक क्या है?
ਪਾਸਕਲ/Pascal/
ਧਾਰ
O HG/Joule/vlet
O foBco/Newton/-4CH
zieties/Dioptre/315311422
Answers
Answered by
8
Explanation:
Power of lens: The degree of convergence or divergence of light rays obtained by a lens is expressed in terms of its power. Power of a lens is defined as the reciprocal of its focal length. ... unit of power of a lens is 'diopter' P = +2 D.
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