A bar graph: A display of information using bars of uniform width, their heights being proportional to the respective values.

What is the information given by the bar graph?

Double Bar Graph : A bar graph showing two sets of data simultaneously. It useful for the comparison of the data. What is the information given by the double bar graph?

Oberve the histogram and answer the questions given below. What information is being given by the histogram?

Double Bar Graph : A bar graph showing two sets of data simultaneously. It useful for the comparison of the data. In which subject has the performance improved the most?

Draw an appropriate graph to represent the given information.

Double Bar Graph : A bar graph showing two sets of data simultaneously. It useful for the comparison of the data. In which subject has the performance deteriorated?

Double Bar Graph : A bar graph showing two sets of data simultaneously. It useful for the comparison of the data. In which subject is the performance at par?

A short bar magnet plaved with its axis at 30^@ with a uniform external magnetic field of 0.25T experiences a torque of 4.5xx10^(-2)J . What is its magnetic moment?

A non-uniform bar of weight W is suspended at rest by two strings of negligible weight as shown in Fig.7.39. The angles made by the strings with the vertical are 36.9^@ and 53.1^@ respectively. The bar is 2 m long. Calculate the distance d of the centre of gravity of the bar from its left end.