Choose the correct statements.
$A$. Weight of a substance is the amount of matter present in it.
$B$. Mass is the force exerted by gravity on an object.
$C$. Volume is the amount of space occupied by a substance.
$D$. Temperatures below $0^{\circ} C$ are possible in Celsius scale,but in Kelvin scale negative temperature is not possible.
$E$. Precision refers to the closeness of various measurements for the same quantity.

  • A
    $B, C$ and $D$ Only
  • B
    $A, B$ and $C$ Only
  • C
    $A, D$ and $E$ Only
  • D
    $C, D$ and $E$ Only

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Match the units in Column-$A$ with their equivalent values in Column-$B$ and select the correct option:
Column-$A$ Column-$B$
$1$. Femtometer $(P)$. $10^{-3} \ \mu m$
$2$. Picometer $(Q)$. $10^{-3} \ mm$
$3$. Nanometer $(R)$. $10^{-3} \ pm$
$4$. Micrometer $(S)$. $10^{-3} \ cm$
$(W)$. $10^{-3} \ nm$

The number of significant figures in $60.0001$ is

$A$ volume of $1 \ m^3$ is equal to

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