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The mean time period of second's pendulum is 2.00 s and mean absolute error in the time period is 0.05 s. To express maximum estimate of error, the time period should be written as

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Important Questions on Units and Measurements

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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 11
The pair of quantities having same dimensions is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 12
The dimensions of k in the equation W=12kx2 is [Here, W is work done and x is displacement]
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 13
Length measured by a measuring instrument is represented as l=(5.0±0.1)m, then length (l) is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 14
Time period of simple pendulum is measured to be T=(2.5±0.1)s, then percentage error in measurement is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 15
Length and breadth of a rectangular plate are measured to be L=(4.0±0.2)m and B=(2.0±0.1)m respectively, then perimeter of the plate is
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 1
Which of the following practical units of length is not correct?
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 2
The unit of length, velocity and force are doubled. Which of the following is the correct change in the other units?
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Gamma Question Bank for Medical Physics>Chapter 2 - Units and Measurements>Assignment>Q 3
The unit of "impulse per unit area" is same as that of