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There are three subshells present in 3rd electron shell. These are 3s, 3p, 3d. we know, s -subshell has only one orbital p-subshell has three orbitals. d-subshell has five orbitals. So, total number of orbitals associated with 3rd shell = 1 + 3 + 5 = 9 Hence, there are nine orbitals associated with 3rd shell.
If an arc subtends an angle of 90o at the centre of the circle whose radius is 28 cm, then find the area of that sector. [Take π = 22/7]
Consider a circle and a square whose circumference ratio is 11:8. If the sum of the circle's radius and the length of one side of the square equals 30 c...
The ratio of length to breadth to height of a cuboidal box is 6:5:4. If the total surface area of the cuboid is 1,392 cm², then ...
The diameter and the slant height of a conical tent are 16 m and 5.6 m, respectively. What length of cloth having width 4m is needed to make the tent?
In a rectangular floor of length and breadth of 16 metres and 7 metres, respectively, square tiles each of 4 metre edge length are to be laid. If the co...
Calculate the volume of a square prism with a perimeter of 16 cm at the base and a height of 6 cm.
The area of a square is 441 square centimeters whose side is half the radius of a circle The circumference of a circle is equal to the width of a rectan...
If the volume of a sphere is 500 cm³, then find the surface area of the sphere. [Take π = 3]
The common ratio of a geometric sequence is 3 and the 4th term is 9. What is the first term of the sequence?
A pyramid has a square base with a height of 12 cm. Each of the pyramid's faces is an equilateral triangle, and the area of each face is 64√3 cm². Fi...
