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Question

Two convex lenses are placed in contact as shown in figure (a). The combination has focal length 25 cm. If a liquid of refractive index same as glass is introduced between them as shown in figure (b). The power of the system

दो उत्तल लेन्सों को चित्र (a) में दर्शाए अनुसार सम्पर्क में रखा जाता है। संयोजन की फोकस दूरी 25 cm है। यदि कांच के समान अपवर्तनांक वाले द्रव को चित्र (b) में दर्शाए अनुसार इनके मध्य प्रवेशित किया जाता है। तब निकाय की क्षमता


A
Will increase

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B
Will decrease

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C
Will remain same

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D
May be increased or decreased

बढ़ या घट सकती है
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Solution

The correct option is B Will decrease

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