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प्रश्न
Assertion: When a convex lens made of glass is completely immersed in water, its focal length increases.
Reason: Refractive index of glass with respect to water is greater than that of glass with respect to air.
पर्याय
Both Assertion and Reason are true and Reason is the correct explanation for Assertion.
Both Assertion and Reason are true but Reason is not the correct explanation for Assertion.
Assertion is true and Reason is false.
Both Assertion and Reason are false.
MCQ
विधान आणि तर्क
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उत्तर
Assertion is true and Reason is false.
Explanation:
Focal length increases in water as the refractive index contrast between glass and water is lower.
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