Errors in measurement Questions

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...

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 ...

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%, ...

Diameter of a steel ball is measured using a vernier callipers which has divisions of 0.1 cm on its main scale(MS) and 10 divisions of its vernier scale (VS) match 9 divisions on the main scale. Three...

Consider a Vernier callipers in which each 1 cm on the main scale is divided into 8 equal divisions and a screw gauge with 100 divisions on its circular scale. In the Vernier callipers, 5 divisions of...

Students I1, J1,J3 and I2 perform an experiment for measuring the acceleration due to gravity (g) using a simple pendulum. They use different lengths of the pendulum and record time for different numb...

The length of a given cylindrical wire is increased by 100%. Due to the consequent decrease in diameter the change in the resistance of the wire will be

The period of oscillation of a simple pendulum is T = . Measured value of L is 20.0 cm known to 1 mm accuracy and time for 100 oscillations of the pendulum is found to be 90s using a wrist watch of 1s...

Accuracy and precision are __(i)___and these are respectively linked with ___(ii)___ & ___(iii)___ .Fill the blanks above in correct order.

In which of the following instruments used in the lab there exists an error of random category known as back lash error(i) Screw gauge (ii) Spherometer (iii) Searle′s apparatus (iv) Vernier call...

When a piece of wire is held diametrically in a screw gauge [pitch = 1mm, number of division on circular scale = 100]. The readings obtained are as shown: Now if we measure the same with help of verni...

If error in measuring diamete r of a circle is 4%, the error in the radius of the circle would be

Zero error of an instrument mean:

If the percentage error in the measurement of radius of a sphere is 2%, then the maximum percentage errors in the measurements of its diameter, surface area and volume are respectively...

If the percentage error in the measurement of radius of a sphere is 2%, then the maximum percentage errors in the measurements of its diameter, surface area and volume are respectively:-...

What is the fractional error in g calculated from T = 2π ? Given fraction errors in Tand l are + x and + y respectively?...

The density of a cubr is measured by measuring its mass and length of this sides. If the maximum error in the measurement of mass and lehgth are 4% and 3% respectively , the maximum error in the measu...

The circular divisions of shown screw gauge are 50. It moves 0.5 mm on main scale in one rotation. The diameter of the ball is...

student performs an experiment for determination of , l ≈ lm, and he commits an error of ᐃl. For T he takes the time of n oscillations with the stop watch of least count ᐃT and he co...

Students I, II and III perform an experiment for measuring the acceleration due to gravity (g) using a simple pendulum. They use different lengths of the pendulum and /or record time for different num...