Recent questions tagged errors and approximations

+3 votes

1 answer

If the radius of a sphere is measured as 9 cm with an error of 0.03 cm then the approximate error in calculating volume is

asked Apr 5, 2019 in Class 12 by kratos

+2 votes

1 answer

Find the approximate value of tan 46° if it is given that 1° = 0.01745 rad.

asked Apr 4, 2019 in JEE by kratos

+3 votes

1 answer

Find the approximate value of f (5.001), where f (x) = x^3 − 7x^2 + 15.

asked Mar 23, 2019 in Class 12 by kratos

+2 votes

1 answer

If the radius of a sphere is measured as 9 m with an error of 0.03 m, then find the approximate error in calculating its surface area?

asked Mar 19, 2019 in Class 12 by kratos

+2 votes

1 answer

A piece of cast-iron of mass 325 g is put into a calorimeter filled with melting ice. Find the quantity of ice that melts up to

asked Mar 5, 2019 in JEE by kratos

+1 vote

1 answer

If |vector a| = √26, |vector b| = 7 and |vector(a x b)| = 35, then vector(a.b) = (a) 9 (b) 7 (c) 8 (d) 11

asked Mar 2, 2019 in Class 12 by kratos

+1 vote

1 answer

Write the meaning of one side error. Give example.

asked Feb 13, 2019 in Class 12 by kratos

+3 votes

1 answer

In an experiment, the percentage of error occurred in the measurement of physical quantities A, B, C and D are 1%, 2%,

asked Jan 13, 2019 in Class 12 by kratos

+2 votes

1 answer

Find the approximate value of f(5.001), where f(x) = x^3 – 7x^2 + 15.

asked Jan 11, 2019 in Class 12 by kratos

+3 votes

1 answer

A circular plate expands when heated from a radius of 5 cm to 5.06 cm. Find the approximate increase, percentage increase in area.

asked Jan 1, 2019 in JEE by kratos

+2 votes

1 answer

The phase difference ϕ is related to Path difference Δx by -

asked Dec 29, 2018 in Class 12 by kratos

+1 vote

1 answer

derivative of log10 x

asked Dec 11, 2018 in JEE by kratos

+2 votes

1 answer

For the data 3, 3, 3, 3, 3 which of the following is true? (a) δM > δx (b) δM = δx

asked Dec 2, 2018 in Class 12 by kratos

+1 vote

1 answer

What is approximate value of 5√242. 999 ?

asked Nov 29, 2018 in Class 12 by kratos

+2 votes

1 answer

The error in measurement of radius of a sphere is 0.1% then error in its volume is -

asked Nov 12, 2018 in Class 12 by kratos

+1 vote

1 answer

Find the approximate change in the volume V of a cube of side x meters caused by increasing side by 2%.

asked Oct 20, 2018 in Class 12 by kratos

+2 votes

1 answer

The diameter of a sphere is measured to be 20 cm. If an error of 0.02 cm occurs in this, find the errors in volume and surface area of the sphere.

asked Oct 18, 2018 in Class 12 by kratos

+3 votes

1 answer

A cube of ice of edge 4 cm is placed in an empty cylindrical glass of inner diameter 6 cm. Assume that the ice melts uniformly

asked Oct 10, 2018 in JEE by kratos

+2 votes

1 answer

An ice cube of edge 1cm melts in a gravity free container.what is the approximate surface area osf water formed?

asked Sep 23, 2018 in Class 12 by kratos

+3 votes

1 answer

Using differentials, find the approximate value of f(2.01), where f(x) = 4x^3+ 5x^2+2.

asked Sep 18, 2018 in Class 12 by kratos

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