Question Answers

A chord of a circle of radius 10cm subtends a right angle at the centre. Find the area of the corresponding : (i) minor segment (ii) major sector. (Use π=3.14) A chord of a circle of radius 10cm subtends a right angle at the centre. Find the area of the corresponding : (i) minor segment [...]

The length of the minute hand of a clock is 14 cm. find the area swept by the minute hand in 5 min. The length of the minute hand of a clock is 14 cm. find the area swept by the minute hand in 5 min. October 6, 2020 Category: Chapter 12 - Areas Related [...]

A U -tube in which the cross – sectional area of the limb on the left is one quarter, the limb on the right contains mercury (density13.6g/cm3). The level of mercutuy in the narrow limb is at a distance of 36 cm from the upper end of the tube. What will be the rise in [...]

Find the area of a quadrant of a circle whose circumference is 22 cm. Find the area of a quadrant of a circle whose circumference is 22 cm. October 6, 2020 Category: Chapter 12 - Areas Related to Circles , Maths , NCERT Class 10 ,

Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60 degree. Find the area of a sector of a circle with radius 6 cm if angle of the sector is 60 degree. October 6, 2020 Category: Chapter 12 - Areas Related to Circles , Maths [...]

Figure (b) shows the variation of pressure (p) with depth (h) along a vertical wall supporting two liquids of different densities as shown in Fig. (a). Identify the correct variation of pressure in the liquid of density ρ2. The gauge pressure in both the tyres of a bicycle is 6.0× 10^5 Pa If the bicycle [...]

A U tube contains water and methylated spirit separated by mercury. The mercury columns in the two arms are at the same level with 10 cm of water in one arm and 12.5 cm of spirit in the other as shown in figure. The relative density of the spirit is The gauge pressure in both [...]

what is the absolute pressure on a swimmer 10 m below the surface of a lake? Take atmospheric pressure 1 x 10^5 N/m^2. what is the absolute pressure on a swimmer 10 m below the surface of a lake? Take atmospheric pressure 1 x 10^5 N/m^2. October 6, 2020 Category: Uncategorised (JEE Advanced Physics by [...]

Tick the correct answer in the following and justify your choice: If the perimeter and the area of a circle are numerically equal, then the radius of the circle is then the radius of the circle is Tick the correct answer in the following and justify your choice: If the perimeter and the area of [...]

What will be the length of mercury column in a barometer tube when the atmospheric pressure is 75 cm of the mercury and the tube is inclined at an angle of 60 degree with the horizontal direction ? What will be the length of mercury column in a barometer tube when the atmospheric pressure is [...]