Physics

# If the error in measurement of monentum of particle is $100\%$ then error in the measurement of kinetic energy

$200$

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Single Correct Medium Published on 18th 08, 2020
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#### Realted Questions

Q1 Single Correct Medium
Using the principle of homogeneity of dimensions, which of the following is correct?
• A. $\displaystyle T^2\,=\,\frac {4\pi ^2 r^3}{GM}$
• B. $\displaystyle T^2\,=\, 4\pi ^2 r^2$
• C. $\displaystyle T^2\,=\,\frac {4\pi ^2 r^3}{G}$
• D. $\displaystyle T\,=\,\frac {4\pi ^2 r^3}{G}$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q2 Single Correct Hard
The method of dimensional analysis can be used to derive which of the following relations?
• A. $\;N_0e^{-\lambda t}$
• B. $\;A\;sin(\omega t+kx)$
• C. $\;\displaystyle\frac{1}{2}mv^2+\displaystyle\frac{1}{2}I \omega^2$
• D. None of these

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q3 Single Correct Medium
The dimensions of pressure gradient are
• A. $[ML^{-2}T^{-2}]$
• B. $[ML^{-2}T^{-1}]$
• C. $[ML^{-1}T^{-1}]$
• D. $[ML^{-1}T^{-2}]$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q4 TRUE/FALSE Medium
Derived units can be defined in terms of one or two of all the fundamental units in them.
• A. True
• B. False

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020

Q5 Single Correct Medium
The dimensions of R in the equation $Q = Q_0(1-e^{-t/RC})$ are
• A. $[M L^2 T^{-3} A^{-2}]$
• B. $[M L^2 T^{-2} A^{-3}]$
• C. $[M^2 L^2 T^{-3} A^{-2}]$
• D. $[M L^2 T^{-1} A^{-2}]$

Asked in: Physics - Units and Measurement

1 Verified Answer | Published on 18th 08, 2020