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6. The slant height and base diameter of conical tomb are 25m and 14 m respectively. Find the cost of white-washing its curved surface at the rate of Rs. 210 per 100 m^2.
17
Oct
6. The slant height and base diameter of conical tomb are 25m and 14 m respectively. Find the cost of white-washing its curved surface at the rate of Rs. 210 per 100 m^2. 6. The slant height and base diameter of conical tomb are 25m and 14 m respectively. Find the cost of white-washing its [...]
5. What length of tarpaulin 3 m wide will be required to make conical tent of height 8 m and base radius 6m? Assume that the extra length of material that will be required for stitching margins and wastage in cutting is approximately 20 cm. [Use π=3.14]
17
Oct
5. What length of tarpaulin 3 m wide will be required to make conical tent of height 8 m and base radius 6m? Assume that the extra length of material that will be required for stitching margins and wastage in cutting is approximately 20 cm. [Use π=3.14] 8. In a hot water heating system there [...]
A wire is wound on a long rod of material of relative permeability mur = 4000 to make a solenoid. If the current through the wire is 5 A nad number of turns per unit length is 1000 /m, then the magnetic field inside the solenoid
17
Oct
A wire is wound on a long rod of material of relative permeability mur = 4000 to make a solenoid. If the current through the wire is 5 A nad number of turns per unit length is 1000 /m, then the magnetic field inside the solenoid A wire is wound on a long rod of [...]
4. A conical tent is 10 m high and the radius of its base is 24 m. Find (i) slant height of the tent. (ii) cost of the canvas required to make the tent, if the cost of 1 m^2 canvas is Rs 70.
17
Oct
4. A conical tent is 10 m high and the radius of its base is 24 m. Find (i) slant height of the tent. (ii) cost of the canvas required to make the tent, if the cost of 1 m^2 canvas is Rs 70. 4. A conical tent is 10 m high and the radius [...]
3. Curved surface area of a cone is 308 cm^2 and its slant height is 14 cm. Find (i) radius of the base and (ii) total surface area of the cone.
17
Oct
3. Curved surface area of a cone is 308 cm^2 and its slant height is 14 cm. Find (i) radius of the base and (ii) total surface area of the cone. 3. Curved surface area of a cone is 308 cm^2 and its slant height is 14 cm. Find (i) radius of the base and [...]
2. Find the total surface area of a cone, if its slant height is 21 m and diameter of its base is 24 m.
17
Oct
2. Find the total surface area of a cone, if its slant height is 21 m and diameter of its base is 24 m. 2. Find the total surface area of a cone if its slant height is 21 m and diameter of its base is 24 m. October 17, 2020 Category: Chapter 13 - [...]
Determine the magnetic field at the centre of the current carrying wire arrangement shown in figure. The arrangement extends to infinity. ( The wires joining the successive squares are along the line passing through the centre ).
17
Oct
Determine the magnetic field at the centre of the current carrying wire arrangement shown in figure. The arrangement extends to infinity. ( The wires joining the successive squares are along the line passing through the centre ). a cylinder of radius R/2 is removed as shown in figure. Current flowing in the remaining cylinder is [...]
1. Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area.
17
Oct
1. Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area. 1. Diameter of the base of a cone is 10.5 cm and its slant height is 10 cm. Find its curved surface area. October 17, 2020 Category: Chapter 13 - Surface Areas [...]
11. The students of Vidyalaya were asked to participate in a competition for making and decorating penholders in the shape of a cylinder with a base, using cardboard. Each penholder was to be of radius 3 cm and height 10.5 cm. The Vidyalaya was to supply the competitors with cardboard. If there were 35 competitors, how much cardboard was required to be bought for the competition?
17
Oct
11. The students of Vidyalaya were asked to participate in a competition for making and decorating penholders in the shape of a cylinder with a base, using cardboard. Each penholder was to be of radius 3 cm and height 10.5 cm. The Vidyalaya was to supply the competitors with cardboard. If there were 35 competitors, [...]
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11. The students of Vidyalaya were asked to participate in a competition for making and decorating penholders in the shape of a cylinder with a base ,
how much cardboard was required to be bought for the competition? ,
using cardboard. Each penholder was to be of radius 3 cm and height 10.5 cm. The Vidyalaya was to supply the competitors with cardboard. If there were 35 competitors ,
10. In fig. 13.12, you see the frame of a lampshade. It is to be covered with a decorative cloth. The frame has a base diameter of 20 cm and height of 30 cm. A margin of 2.5 cm is to be given for folding it over the top and bottom of the frame. Find how much cloth is required for covering the lampshade.
17
Oct
10. In fig. 13.12, you see the frame of a lampshade. It is to be covered with a decorative cloth. The frame has a base diameter of 20 cm and height of 30 cm. A margin of 2.5 cm is to be given for folding it over the top and bottom of the frame. Find [...]