बढ़ेगी
General competitive examinations frequently test candidates on Current Affairs topics. Questions like "पेण्डुलम को चन्द्रमा पर ले जाने पर उसकी समय अवधि-..." are designed to verify factual recall and general awareness. Regular practice on similar MCQs ensures a higher accuracy rate. The correct option here is बढ़ेगी.