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9. Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface.
12
Oct
9. Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface. 9. Top surface of a raised platform is in the shape of a regular octagon as shown in the figure. Find the area of the octagonal surface. October [...]
8. Mohan wants to buy a trapezium shaped field. Its side along the river is parallel to and twice the side along the road. If the area of this field is 10500 m^2 and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river.
12
Oct
8. Mohan wants to buy a trapezium shaped field. Its side along the river is parallel to and twice the side along the road. If the area of this field is 10500 m^2 and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river. 5. [...]
7. The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor, if the cost per m^2 is Rs. 4.
12
Oct
7. The floor of a building consists of 3000 tiles which are rhombus shaped and each of its diagonals are 45 cm and 30 cm in length. Find the total cost of polishing the floor, if the cost per m^2 is Rs. 4. 7. The floor of a building consists of 3000 tiles which are [...]
A slit of size 0.15 cm is placed at 2.1 m from a screen. On illuminated it by a light wavelength 5 * 10^-5 cm. The width of central maxima will be
12
Oct
A slit of size 0.15 cm is placed at 2.1 m from a screen. On illuminated it by a light wavelength 5 * 10^-5 cm. The width of central maxima will be A slit of size 0.15 cm is placed at 2.1 m from a screen. On illuminated it by a light wavelength 5 * [...]
The light of wavelength 6328 A is incident on a slit of width 0.2 mm perpendicularly, the angular width of central maxima will be
12
Oct
The light of wavelength 6328 A is incident on a slit of width 0.2 mm perpendicularly, the angular width of central maxima will be the angular width of central maxima will be The light of wavelength 6328 A is incident on a slit of width 0.2 mm perpendicularly October 12, 2020 Category: Uncategorised (JEE Advanced [...]
A slit of width a is illuminated by white light. For red light (lemda = 6500 A), the first minima is obtained at theta = 30. Then the value of a will be
12
Oct
A slit of width a is illuminated by white light. For red light (lemda = 6500 A), the first minima is obtained at theta = 30. Then the value of a will be A slit of width a is illuminated by white light. For red light (lemda = 6500 A) the first minima is obtained [...]
6563 A line emitted by hydrogen atom in a star is found to be red shifted by 5 A. The speed with which the star is receding from the earth is
12
Oct
6563 A line emitted by hydrogen atom in a star is found to be red shifted by 5 A. The speed with which the star is receding from the earth is 6563 A line emitted by hydrogen atom in a star is found to be red shifted by 5 A. The speed with which the [...]
6. Find the area of a rhombus whose side is 5 cm and whose altitude is 4.8 cm. If one of the diagonals is 8 cm long, find the length of the other diagonal.
12
Oct
6. Find the area of a rhombus whose side is 5 cm and whose altitude is 4.8 cm. If one of the diagonals is 8 cm long, find the length of the other diagonal. 6. Find the area of a rhombus whose side is 5 cm and whose altitude is 4.8 cm. If one of [...]
5. The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area.
12
Oct
5. The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area. 5. The diagonals of a rhombus are 7.5 cm and 12 cm. Find its area. October 12, 2020 Category: Chapter 11 - Mensuration , Maths , NCERT Class 8 ,
4. The diagonal of a quadrilateral shaped field is 24 m and the perpendiculars dropped on it from the remaining opposite vertices are 8 m and 13 m. Find the area of the field.
12
Oct
4. The diagonal of a quadrilateral shaped field is 24 m and the perpendiculars dropped on it from the remaining opposite vertices are 8 m and 13 m. Find the area of the field. 4. The diagonal of a quadrilateral shaped field is 24 m and the perpendiculars dropped on it from the remaining opposite [...]