The unit of measurement of noise is –
The decibel (dB) is the unit used to measure the intensity of sound or noise level. It is given in terms of a logarithmic function of a ratio of power intensities. One decibel is one tenth of one bel, named in honor of Alexander Graham Bell who was the inventor of the telephone and phonograph.
A tank 60m long, 45m broad and 18m deep is dug in a ground 2000 m long and 45m wide. By how much will the level of the field rise if earth dug out of t...
The area of a regular hexagon with side as 6 cm is
Length of a rectangle is equal to the side of a square. If area of the square and rectangle is 729 m2 and 297 m2, respectively the...
The length of the side of a cube is 7 cm. What is the total surface area of the cube?
Find the number of silver balls of diameter 2 cm each, that can be made from a sphere of diameter 32 cm?
A circle is inscribed in a square an equilateral triangle of side 6√2 cm is inscribed in that circle the length of the diagonal of the square is-
The lateral surface area of a cube is 144 cm . The length of a cuboid is 50% more than the side of the cube. The breadth of the cuboid is 5 cm less than...
Determine the base length of an isosceles triangle with an area of 288 cm² and an altitude measuring 36 cm.