Physics, asked by AkshitAhlawat618, 6 hours ago

किसी 20 सेंटीमीटर फोकस दूरी के उत्तल लेंस के संपर्क में रखे 30 सेंटीमीटर फोकस दूरी के अवतल लेंस के संयोजन से बने संयुक्त लेंस की फोकस दूरी क्या है क्या यह संयोजन अभिसारीके से अथवा पसारी

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Answered by gursimrandeepkaurbat

1

Answer:

sorry I can't know answer sorry

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