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A spring has time period T. It is cut into n equal parts. The time period of each part will be
Options
(a) T√n
(b) T/√n
(c) nT
(d) T
Correct Answer:
T/√n
Explanation:
Whe a spring of constant K is cut into n equal parts, each part has a spring constant = nK
T = 2π √(m/K)
T’ = 2π √(m/nK) = (1/√n).2π √(m/K)
T’ = T/√n.
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Topics: Oscillations
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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In common base mode of a transistor, the collector current is 5.488 mA
- An automobile moves on a road with a speed of 54 km h⁻¹. The radius of its wheels
- Laser light is considered to be coherant because it consists of
- A radioactive sample S₁ having an activity of 5 μCi has twice the number of nuclei
- One solid sphere A and another hollow sphere B are of same mass and same outer radii.
Topics: Oscillations (58)
Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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