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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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Subject: Physics
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Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- The mass of a ⁷₃ Li nucleus is 0.042 u less than the sum of the masses of all its nucleons
- A particle of mass ‘m’ is kept at rest at a height 3R from the surface of earth
- How much work is required to carry a 6 μC charge from the negative terminal
- A spring gun of spring constant 90 N/cm is compressed 12 cm by a ball of mass
- The dimension of 1/2ε₀E², where ε₀ is permittivity of free space and E is electric field
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Subject: Physics (2479)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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