The length of a rod as measured in an experiment is found to be 2.48 m, 2.46 m , 2.49 m , 2.49 m and 2.46 m. Find the average length , the absolute error in each observation and the percentage error.

Following observations were taken with a vernier callipers while measuring the length of a cylinder : 3.29 cm,3.28 cm,3.31 cm,3.28 cm,3.27 cm,3.29 cm,3.20 cm . Then find : (a) Most accurate length of the cylinder (b) Absolute error in each observation (c) Mean absolute error (d) Relative error (e) Percentage error Express the result in terms absolute error and percentage error.

In an experiment, the time period measurements for an oscillating simple pendulum are 2.10s, 2.12s, 2.23s, 2.62s and 2.92s. Find the relative error and absolute error in the experiment.

Find the length of the arc of circle with radius 0.7 m and area of the sector is 0.49 m^2 .

The length of seconds pendulum at a place wl}ere g = 4.9 m/ s^2 is

The length, breadth and height of a room are 8 m 50 m, 6 m 25 cm and 4 m 75 cm respectively . Find the length of the longest rod that can measure the dimensions of the room exactly

The refractive index (n) of glass is found to have the values 1.49,1.50,1.52,1.54 and 1.48. Calculate (i) the mean value of refractive index, (ii) absolute error in each measurement, (iii) mean absolute error, (iv) fractional error and (v) percentage error

A pole is measured with a scale marked in centimetres.If the length of the pole is 16.52 m,then find the smallest possible limiting absolute error.

Find the length of the longest rod that can be placed in a room 16 m long, 12 m broad and 10(2)/(3)m high.

The length of pendalum is measured as 1.01m and time for 30 oscillations is measured as one minuted 3 secounds. Error in length is 0.01m minute 3 seconds. The percenrage error in the measurement of acceleration due to gravity is.