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Recent questions tagged measurement-of-length-mass-time

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 What is the effective length of the pendulum

asked Jul 11, 2014 by meena.p

1 answer

What is the total length of a line where different segments measure $8.26\;cm,2.3\;cm,2.89\;cm$ and $7.762\;cm?$

asked Jul 11, 2014 by meena.p

1 answer

$ 0.000070 kg$ of ink is filled in a fountain pen of mass $0.0152 kg$ . What is the total mass of filled fountain pen ?

asked Jul 10, 2014 by meena.p

1 answer

The time period of a sample pendulum is to be determined with the help of a stop clock having a least count of $ \large\frac{1}{3}$ seconds. If the estimated time period is about 2 second time for how many oscillations must be recorded so that the periodic time is determined with an error less than $0.67%$

asked Jul 10, 2014 by meena.p

1 answer

The measured mass and volume of a bosy are $2.42\; g$ and $4.8\; cm^3$ respectively. With possible errors 0.01 g and $0.1 cm^3$ the maximum error in density is about

asked Jul 10, 2014 by meena.p

1 answer

A cube is of edge $1.2 \times 10^{-2} m$. The volume of cube is

asked Jul 10, 2014 by meena.p

1 answer

What is the perimeter and area of a rectangle whose length is $6.01$ m and width is $1.2 m$

asked Jul 10, 2014 by meena.p

1 answer

If the unit of length is x metres in a new system of units (x > 1) then the numerical value of area in the new system of units will be how many times its numerical value in S. I?

asked Jul 10, 2014 by meena.p

1 answer

Parsec is a unit of

asked Jul 10, 2014 by meena.p

1 answer

A fermi is equivalent to

asked Jul 10, 2014 by meena.p

1 answer

Which of the following is not a unit of time

asked Jul 10, 2014 by meena.p

1 answer

Value of acceleration due to gravity is $ 9.8 m/s^2$. Find its value in $km/hr^2$

asked Jun 19, 2013 by meena.p

1 answer

The laser light beamed towards moon from earth takes $2.56s$ to return after reflection at moon's surface. How much is the radius of lunar orbit around earth?

asked Jun 19, 2013 by meena.p

1 answer

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