Identify the incorrect statement among the following.

  • A
    $A$ true length of $5.678 \ km$ has been measured in two experiments as $5.5 \ km$ and $5.51 \ km$,respectively. The second measurement has more precision.
  • B
    Length of $1 \ m$ and $0.5 \ m$ have been both measured with the same absolute error of $0.01 \ m$. Both the measurements are equally accurate.
  • C
    The numbers of significant digits in $1.6$ and $0.60$ are two and two respectively.
  • D
    The number $2.445$ can be rounded to two decimal places as $2.45$.

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Similar Questions

Of the following quantities,which one has dimensions different from the remaining three?

The dimensions of angular momentum,latent heat,and capacitance are,respectively:

Match List-$I$ and List-$II$:
List-$I$ List-$II$
$A$. Young's Modulus $(Y)$ $I$. $[M L^{-1} T^{-1}]$
$B$. Co-efficient of Viscosity $(\eta)$ $II$. $[M L^2 T^{-1}]$
$C$. Planck's Constant $(h)$ $III$. $[M L^{-1} T^{-2}]$
$D$. Work Function $(\varphi)$ $IV$. $[M L^2 T^{-2}]$

Choose the correct answer from the options given below:

In a new system,the unit of mass is $10 \ kg$,the unit of length is $5 \ m$,and the unit of time is $10 \ s$. Then,in this new system,$20 \ g/cm^3$ is equal to:

Dimensions of the quantity $\frac{p}{\varepsilon_0 \mu_0}$,where $p$ is the pressure,$\varepsilon_0$ is the electric permittivity of free space,and $\mu_0$ is the permeability of free space,will be:

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