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A circular disc of radius R is removed from a bigger circular disc of radius 2R such that the circumferences of the discs coincide. The centre of mass of the new disc is α/R from the centre of the bigger disc. The value of α is
Options
(a) -1/4
(b) -1/3
(c) -1/2
(d) -1/6
Correct Answer:
-1/3
Explanation:
No explanation available. Be the first to write the explanation for this question by commenting below.
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Topics: Motion of system of Particles and Rigid Body
(73)
Subject: Physics
(2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- If r be the distance of a point on the axis of a magnetic dipole from its centre
- A wire carrying current I has the shape as shown in adjoining figure. Linear parts
- The 6563 Å line emitted by hydrogen atom in a star is found to be red shifted by 5Å
- A tuned amplifier circuit is used to generate a carrier frequency of 2 MHz
- A string in musical instrument is 50 cm long and its fundamental frequency is 800 Hz.
Topics: Motion of system of Particles and Rigid Body (73)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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