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Recent questions tagged accuracy-precision-and-errors-in-measurement
Questions
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
The radius of sphere is measured to be $(2.1 \pm 0.5)$ cms. What is its surface area with error limits?
jeemain
physics
class11
units-and-measurement
ch2
accuracy-precision-and-errors-in-measurement
easy
asked
Jul 11, 2014
by
balaji.thirumalai
1
answer
The length of string of a simple pendulum as measured by a meter scale was found to be $98.2 \;cm$ The diameter of the bob was measured by a vernier caliper and it was found to be $3.62\;cm$ The time for 10 oscillations was found to be $21.2\; s$ Suggest method to improve the accuracy of the result.
jeemain
physics
class11
ch2
units-and-measurement
accuracy-precision-and-errors-in-measurement
easy
asked
Jul 11, 2014
by
meena.p
1
answer
The length of string of a simple pendulum as measured by a meter scale was found to be $98.2 \;cm$ The diameter of the bob was measured by a vernier caliper and it was found to be $3.62\;cm$ The time for 10 oscillations was found to be $21.2\; s$ . To get more accurate value of g , will more accurate measurement of bob will help ?
jeemain
physics
class11
ch2
units-and-measurement
easy
accuracy-precision-and-errors-in-measurement
concepts
asked
Jul 11, 2014
by
meena.p
1
answer
The length of string of a simple pendulum as measured by a meter scale was found to be 98.2cm. The diameter of the bob was measured by a vernier caliper and it was found to be 3.62cm. The time for 10 oscillations was found to be 21.2 seconds. What is maximum error in the value of g?
jeemain
physics
class11
ch2
units-and-measurement
accuracy-precision-and-errors-in-measurement
asked
Jul 11, 2014
by
meena.p
1
answer
While measuring the volume of sphere an error of $1.2 \%$ is committed in the measurement of radius. What percentage error is introduced in the measurement of volume ?
jeemain
physics
class11
ch2
units-and-measurement
accuracy-precision-and-errors-in-measurement
asked
Jul 11, 2014
by
meena.p
1
answer
The length and breadth of a rectangular area are 25.2 cm and 16.8 cm respectively and have been measured to an accuracy of 0.1 cm. Find the percentage error in the area .
jeemain
physics
class11
ch2
units-and-measurement
accuracy-precision-and-errors-in-measurement
asked
Jul 11, 2014
by
meena.p
1
answer
The initial and final temperature of water in a container are observed as $15 \pm 0.5^{C}$ and $40 \pm 0.2 ^{\circ}$ what is the rise in temperature ?
jeemain
physics
class11
ch2
units-and-measurement
accuracy-precision-and-errors-in-measurement
asked
Jul 11, 2014
by
meena.p
1
answer
Two resistances $R_1=50 \pm 1\;ohm$ and $R_2=100 \pm 3\;ohm$ are connected in series. Assuming the errors to be limiting error , find the equivalent resistance with error.
jeemain
physics
class11
ch2
units-and-measurement
accuracy-precision-and-errors-in-measurement
asked
Jul 11, 2014
by
meena.p
1
answer
A physical quantity $P$ is related to four observables $a,b,c$ and $d$ as follows $P=\large\frac{\large a^3b^2}{(\sqrt {cd})}$. The percentage error in measuring $a,b,c,d$ are $1 \%,3 \%,4 \%$ and $2 \%$ respectively. What is percentage error in calculation of $P$
jeemain
physics
class11
ch2
units-and-measurement
medium
accuracy-precision-and-errors-in-measurement
asked
Mar 23, 2014
by
balaji.thirumalai
1
answer
Resistance of metal is given by $R=\large\frac{V}{I}$. $V$ is potential difference, $I$ is current. In a circuit $V=(8 \pm 0.5)v$ and current is $I=(2 \pm 0.2)A$. what is value of resistance with percentage error?
jeemain
physics
class11
ch2
units-and-measurement
q48
easy
mock
accuracy-precision-and-errors-in-measurement
asked
Jun 19, 2013
by
meena.p
1
answer
To find the value of $g$ using simple pendulum $T=2.00 sec,\;l=50cm.$ was measured. The maximum possible errors in $g$ is (Error in $T$=0.01 sec,$l$=0.1 cm)
jeemain
physics
class11
ch2
units-and-measurement
q46
easy
accuracy-precision-and-errors-in-measurement
cbse11
ch1
asked
Jun 19, 2013
by
meena.p
1
answer
Heat generated in a circuit is given by $H=I^2Rt$, $I$ is current $R$ is resistance, $t$ is time. If percentage error in measuring $I$, $R$ and $t$ are $2 \%,1\%$ and $1\%$ respectively. what is the maximum error in measuring heat
jeemain
physics
class11
ch2
units-and-measurement
q45
easy
accuracy-precision-and-errors-in-measurement
asked
Jun 19, 2013
by
meena.p
1
answer
In an experiment the angles are measured using an instrument where $29$ divisions of main scale exactly coincide with $30$ division of vernier scale.If the smallest division in main scale is half a degree, then the least count of the instrument is
jeemain
physics
class11
ch2
units-and-measurement
q40
medium
accuracy-precision-and-errors-in-measurement
asked
Jun 18, 2013
by
meena.p
1
answer
The caesium clock are capable of measuring time with an accuracy of $1$ part in $10^{11}$. If two such clock run for $100$ years, find the difference in time shown by the clock
jeemain
physics
class11
ch2
units-and-measurement
q39
medium
accuracy-precision-and-errors-in-measurement
asked
Jun 18, 2013
by
meena.p
1
answer
When a copper sphere is heated maximum percentage change will be observed in
jeemain
physics
class11
ch2
units-and-measurement
q27
easy
accuracy-precision-and-errors-in-measurement
asked
Jun 18, 2013
by
meena.p
1
answer
The initial and final temperature of a liquid in a container are observe to be $76.3 \pm0.5 ^{\circ} c$ and $27.7 \pm 0.2 ^{\circ} c$. Find the fall in temperature.
jeemain
physics
class11
ch2
units-and-measurement
q16
easy
accuracy-precision-and-errors-in-measurement
asked
Jun 17, 2013
by
meena.p
1
answer
The value of Kinetic energy $K$ and potential energy $V$ are measured as follows $K=100.0 \pm 2.0\; I \quad V=200.0 \pm 1.0\; I$. What is the percentage error in measurement of mechanical energy ?
jeemain
physics
class11
ch2
units-and-measurement
q14
medium
accuracy-precision-and-errors-in-measurement
asked
Jun 17, 2013
by
meena.p
1
answer
Two resistances are expressed as $R_1=(4\pm0.5) \Omega$ and $R_2=(12 \pm 0.5) \Omega$. what is the net resistance when they are connected 1) series 2) in parallel, with percentage error ?
jeemain
physics
class11
ch2
units-and-measurement
q9
medium
accuracy-precision-and-errors-in-measurement
asked
Jun 17, 2013
by
meena.p
1
answer
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