Fill in the blanks:
$(a)$ $\frac{1\,\mu m}{1\,fm} = \,....$
$(b)$ The number of significant figures in $0.0060$ is $....$
$(c)$ To study nanotechnology,the $....$ microscope has been developed.
$(a)$ $\frac{1\,\mu m}{1\,fm} = \,....$
$(b)$ The number of significant figures in $0.0060$ is $....$
$(c)$ To study nanotechnology,the $....$ microscope has been developed.
(N/A) Since $1\,\mu m = 10^{-6}\,m$ and $1\,fm = 10^{-15}\,m$,then $\frac{10^{-6}}{10^{-15}} = 10^{9}$.
$(b)$ In the number $0.0060$,the leading zeros are not significant. The non-zero digit $6$ and the trailing zero after the decimal point are significant. Thus,there are $2$ significant figures.
$(c)$ The Scanning Tunneling Microscope $(STM)$ is used for the study of nanotechnology.
$(b)$ In the number $0.0060$,the leading zeros are not significant. The non-zero digit $6$ and the trailing zero after the decimal point are significant. Thus,there are $2$ significant figures.
$(c)$ The Scanning Tunneling Microscope $(STM)$ is used for the study of nanotechnology.
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Which physical quantities have the same dimension?
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View SolutionMatch the following (Take the relative strength of the strongest fundamental forces in nature as $1$):
$I$ (Fundamental forces in nature) $II$ (Relative strength) $(A)$ Strong nuclear force $(e)$ $10^{-2}$ $(B)$ Weak nuclear force $(f)$ $1$ $(C)$ Electromagnetic force $(g)$ $10^{10}$ $(D)$ Gravitational force $(h)$ $10^{-13}$ $(i)$ $10^{-39}$
The correct match is:
| $I$ (Fundamental forces in nature) | $II$ (Relative strength) |
|---|---|
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| $(D)$ Gravitational force | $(h)$ $10^{-13}$ |
| $(i)$ $10^{-39}$ |
The correct match is:
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