A packet contains silver powder of mass $20.23 \,g \pm 0.01 \,g$. Some of the powder of mass $5.75 \,g \pm 0.01 \,g$ is taken out from it. The mass of the powder left back is ................
Easy
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1In a vernier callipers, $10$ divisions of vernier scale coincides with $9$ divisions of main scale, the least count of which is $0.1\,cm$. If in the measurement of inner diameter of cylinder zero of vernier scale lies between $1.3\,cm$ and $1.4\, \ cm$ of main scale and $2^{nd}$ division of vernier scale coincides with main scale division then diameter will be $.......... cm$View Solution
- 2View SolutionWe can reduce random errors by
- 3View SolutionWhich of the following is the most precise device for measuring length
- 4The result after adding $3.8 \times 10^{-6}$ with $4.2 \times 10^{-5}$ with due regard to significant figures isView Solution
- 5A physical quantity $X$ is given by $X = \frac{{2{k^3}{l^2}}}{{m\sqrt n }}$ The percentage error in the measurements of $k,\,l,\, m$ and $n$ are $1\%, 2\%, 3\%$ and $4\%$ respectively. The value of $X$ is uncertain by .......... $\%$View Solution
- 6Given below are two statements :View Solution
Statements $I$ : Astronomical unit $(Au)$. Parsec $(Pc)$ and Light year $(ly)$ are units for measuring astronomical distances.
Statements $II:$ $Au < Parsec ( Pc ) < ly$
In the light of the above statements. choose the most appropriate answer from the options given below:
- 7A student measured the length of a rod and wrote it as $3.50\;cm$. Which instrument did he use to measure it?View Solution
- 8The dimensional formula for electric flux is $..........$View Solution
- 9In a particular system the units of length, mass and time are chosen to be $10\;cm , 10 \;g$, and $0.1\;s$ respectively. The units of force in this system will be equal to?View Solution
- 10In an experiment four quantities $a, b, c$ and $d $ are measured with percentage error $1\%, 2\%, 3\%$ and $4\%$ respectively. Quantity $P$ is calculated as follows $P = \frac{{{a^3}{b^2}}}{{cd}}$. $ \%$ error in $P$ is ........ $\%$View Solution