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A point object is placed in front of thick plane mirror as shown in figure. Find the location of final image w.r.t. object. A point object is placed in front of thick plane mirror as shown in figure. Find the location of final image w.r.t. object. October 6, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

The mark distribution of 30 students in a mathematics examination are given. Find the mode of this data. Also compare and interpret mode and the mean. The mark distribution of 30 students in a mathematics examination are given. Find the mode of this data. Also compare and interpret mode and the mean. October 6, 2020 [...]

A survey conducted on 20 households in a locality by a group of students resulted in the following frequency table for the number of family members in a household. Find the mode of this data. A survey conducted on 20 households in a locality by a group of students resulted in the following frequency table [...]

The distribution given below shows the number of wickets taken by bowlers in one-day cricket matches. Find the mean number of wickets by choosing a suitable method. What does the mean signify ? The distribution given below shows the number of wickets taken by bowlers in one-day cricket matches. Find the mean number of wickets [...]

A right angled prism of apex angle 4 and refractive index 1.5 is located in front of a vertical plane mirror as shown in figure. A horizontal ray of light is falling on the prism. Find the total A right angled prism of apex angle 4 and refractive index 1.5 is located in front of [...]

The table below gives the percentage distribution of female teachers in the primary schools of rural areas of various states and union territories (U.T.) of India. Find the mean percentage of female teachers by all the three methods discussed in this section. The following table gives the distribution of the life time of 400 neon [...]

The marks obtained by 30 students of Class X of a certain school in a Mathematics paper consisting of 100 marks are presented in table below. Find the mean of the marks obtained by the students. The marks obtained by 30 students of Class X of a certain school in a Mathematics paper consisting of [...]

The following table gives production yield per hectare of wheat of 100 farms of a village. Change the distribution to a more than type distribution, and draw its ogive. and draw its ogive. The following table gives production yield per hectare of wheat of 100 farms of a village. Change the distribution to a more [...]

A particle revolves in clockwise direction (as seen from point A) in a circle C of radius 1 cm and completes one revolution in 2 sec. The axis of the circle and the principal axis of the mirror M coincide, A point object O is at the centre of curvature of a concave mirror. The [...]

During the medical check up of 35 students of a class, their weights were recorded as follows: Draw a less than type ogive for the given data. Hence obtain the median weight from the graph and verify the result by using the formula. During the medical check up of 35 students of a class their [...]