Errors in measurement Questions

The density of a material in the shape of a cube is determined by measuring three sides of the cube and its mass. If the relative errors in measuring the mass and length are respectively 1.5% and 1%, ...

A student measured the diameter of a small steel ball using a screw gauge of least count 0.001 cm. The main scale reading is 5 mm and zero of circular scale division coincides with 25 divisions above ...

A student measured the length of a rod and wrote it as 3.50 cm. Which instrument did he use to measure it?

Using the expression 2d sin θ = λ one calculates the values of d by measuring the corresponding angles θ in the range 0 to 90o. The wavelength λ is exactly known and the error in &...

In an experiment to determine the acceleration due to gravity g, the formula used for the time period of a periodic motion is T=2π7(R-r)5g.The values of R and r are measured to be (60±1) mm and (1...

The diameter of a cylinder is measured using a Vernier callipers with no zero error. It is found that the zero of the Vernier scale lies between 5.10 cm and 5.15 cm of the main scale. The Vernier scal...

The current voltage relation of diode is given by I = (e1000V/T- 1) mA, where the applied V is in volts and the temperature T is in degree kelvin. If astudent makes an error measuring ± 0.01 V wh...

Resistance of a given wire is obtained bymeasuring the current flowing in it and thevoltage difference applied across it. If thepercentage errors in the measurement of thecurrent and the voltage diffe...

A body of mass m = 3.513 kg is moving along the x-axis with a speed of 5.00 ms-1. The magnitude of its momentum is recorded as

An experiment is performed to find the refractive index of glass using a travelling microscope. In this experiment distance are measured by

The number of significant digits in 0.001001 is :-

Significant figure in 3400 are -

The percentage errors in the measurement of mass and speed are 2 % and 3% respectively. How much will be the ,maximum error in the estimate of kinetic energy obtained by measuring mass and speed ?...

The density of a cube is measured by measuring its mass and the length of its side. If the maximum errors in the measurement of mass and length are 4% and 3% respectively, the maximum error in the mea...

If error in messing diameter of a circle is 4 %, the error in the radius of the circle would be

If a, b, c are the percentage errors in the measurement of A, B and C then percentage error in ABC would be approximately -

The diameter of a wire is measured with a screw gauze having least count 0.01 mm. Which of the following correctly expresses the diameter-

While measuring acceleration due to gravity by a simple pendulum a student makes a positive error of 1 % in the length of the pendulum and a negative error of 3% in the value of the time period. His p...

A student measured the diameter of a wire using a screw gauge with least count 0.001 cm and listed the measurements. The correct measurement is -

The pressure on a square plate is measured by measuring the force on the plate and the length of the sides of the plate. If the maximum error in the measurement of pressure is (Percentage error in mea...