The Stefan-Boltzmann constant, is a physical constant involving black body radiation. A black body, also called an ideal radiator, is an object that radiates or absorbs energy with perfect efficiency at all electromagnetic wavelength s.
If the volume of a cuboidal tank is 2430 m3 and the ratio of the length, width and height of tank is 6:5:3 respectively then find the height ...
A cylindrical tank with a height of 12 meters and a radius of 7 meters is filled with water. It has a leakage at the bottom that drains water at a rate ...
The area of four walls of a room is 112 cm2. If the length and breadth of the room were equal and the height of the room is 4 cm, then what i...
A well with 20 m inside diameter is dug 10 m deep. Soil taken out of it has been evenly spread all around it to a width of 30 m to form an embankment. F...
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...
A stone is thrown vertically with the velocity which would just carry it to height of 100 feet. Two seconds later another stone is projected vertically ...
A solid cube, whose edge is of length 60 cm, is melted. Identical solid cubes, each of volume 216 cm3, are made of this molten cube, without ...
The ratio of length to breadth of a rectangle is 7:6. If the sum of the length and breadth of the rectangle is 52 cm, then find the area (cm2...
A right circular cylinder having total surface area of 18480 cm2 is immersed in a vessel completely filled with water. If the height of the c...
A rectangular piece of copper foil of length 56 cm and area 616 cm2 is folded along its width to form a cylinder such that there is only one ...
