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Recent questions tagged significant-figure
Questions
The time taken by a pendulum to complete 20 vibrations is $88.0 $ second. The time period of the pendulum is
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Aug 12, 2014
by
meena.p
1
answer
A system takes $70.40 \;seconds$ to complete 20 oscillations. the time period of the system is :
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Aug 12, 2014
by
meena.p
1
answer
If the value of the resistance is $10.845 \Omega$ and the value of the current is $ 3.23$ ampere, then the potential difference is $35.02935$ volt. Its value in correct significant figures would be
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Aug 12, 2014
by
meena.p
1
answer
The mass of a box is $23\;g$ . Two gold pieces , each of mass $0.035\;g$ , are placed in it. The total mass of the box and gold pieces is
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Aug 12, 2014
by
meena.p
1
answer
A current of $2.34 $ ampere flows in a resistance of $11.111111 \Omega$ The potential difference across the given resistance with due to regard for significant figures is
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Aug 12, 2014
by
meena.p
1
answer
The radius of a wire is $0.24 \;mm$ . Then its area of cross- section by taking significant figures into consideration is
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Aug 12, 2014
by
meena.p
1
answer
The length of a cube is $ 2.1 \times 10^{-2}\;m$ . The volume in significant figures will be
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Aug 12, 2014
by
meena.p
1
answer
There are atomic clocks capable of measuring time with an accuracy of 1 part in $10^{11}$. If two such clocks are operated with precision , then after running for $5000\;year$ these will record.
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Aug 12, 2014
by
meena.p
1
answer
The effective length of a simple pendulum is the sum of the following three length of string , radius of bob, length of hook. In a simple pendulum experiment , the length of the string, as measured by a metre scale is $92.0\;cm$ . The radius of the bob combined with the length of the hook, as measured by a vernier callipers is $2.15\;cm$ The effective length of the pendulum is
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Aug 12, 2014
by
meena.p
1
answer
Find the value of $g$ (in $m\;s^{-2}$) up to approximate significant figures stating the uncertainty in the value of $g$, given the following information:
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
accuracy-precision-and-errors-in-measurement
difficult
asked
Jul 12, 2014
by
balaji.thirumalai
1
answer
In the following experiment, find the value of the density in g cm$^{-3}$ up to the appropriate significant figures, stating the uncertainty in the value of the density.
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
accuracy-precision-and-errors-in-measurement
difficult
asked
Jul 12, 2014
by
balaji.thirumalai
1
answer
Find the total mass up to the appropriate significant figures of four objects that have the following masses: 1.54 Kg, 3.668 Kg, 5.1278 Kg and 2.5 Kg
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Jul 12, 2014
by
balaji.thirumalai
1
answer
What is the area of the cross section of the wire up to approximate significant figures if the radius of a uniform wire is 0.021 cms. The value of $\pi$ is given to be 3.142.
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Jul 12, 2014
by
balaji.thirumalai
1
answer
A man runs 100.5 m in 10.3 seconds. What is his average speed up to approximate significant figures?
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Jul 12, 2014
by
balaji.thirumalai
1
answer
A bee of mass 0.000087 Kg sits on a flower of mass 0.0123 Kg. What is the total mass supported by the stem of the flower up to the approximate significant figures?
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
easy
asked
Jul 12, 2014
by
balaji.thirumalai
1
answer
The distance of a point p from a point source of light $S_1$ is $100. 1243\;cm$ and from another point source $S_2$ is $100.1664\;cm$ Find $(S_2P-S_1P)$ and $(S_2P +S_1P)$ correct upto the same number of significant figures.
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
asked
Jul 11, 2014
by
meena.p
1
answer
Find the number of significant figures in the mass difference between a proton and a neutron. Given that mass of a proton $= 1.672649 \times 10^{27}$ mass of a neutron $= 1.674954 \times 10^{-27} kg$
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
asked
Jul 11, 2014
by
meena.p
1
answer
Find the value of the following expression : $\large\frac{5.3 \times 10^4 }{3.3 \times 10^{-2}} +$$ \sqrt { 1.6 \times 10^{12}}$
jeemain
physics
class11
ch2
units-and-measurement
significant-figure
asked
Jul 11, 2014
by
meena.p
1
answer
The volume of a cube is $1.83 \;cm^3$. Find the volume of $25$ such identical cubes to correct number of significant figures.
jeemain
physics
class11
ch2
units-and-measurement
q38
easy
significant-figure
asked
Jun 18, 2013
by
meena.p
1
answer
Find the value of $\large\frac{1.53 \times 0.9995}{1.592}$ with regards for 3 significant figures.
jeemain
physics
class11
ch2
units-and-measurement
q13
easy
significant-figure
asked
Jun 17, 2013
by
meena.p
1
answer
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