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        A Simple pendulum is suspended from the ceiling of a lift. When the lift Is at rest, )Its time period ls T.Wlth what acceleration should lift be accelerated upward in order to  reduce its time period to T/2 ? (1) g (2) 2g(3)3g(4)-3g
3 years ago

Rahul Verma
45 Points
							From the equation of time period of simple pendulum,$T=2\pi \sqrt{\frac{l}{g}}$      ______________(1)we get acc to quesstion$\frac{T}{2}=2\pi \sqrt{\frac{l}{g+a}}$          ________________(2)dividing 1 and 2 we get acceleration equal to g
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3 years ago
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### Course Features

• 110 Video Lectures
• Revision Notes
• Test paper with Video Solution
• Mind Map
• Study Planner
• NCERT Solutions
• Discussion Forum
• Previous Year Exam Questions