Question
The radius of a cylinder is 14 cm, and the ratio of
radius to height of the cylinder is 1:2. What is the volume of the cylinder?Solution
Radius of the cylinder = 14 cm Height of the cylinder = 2/1 × 14 = 28 cm Volume of the cylinder = 22/7 × 14 × 14 × 28 = 17248 cm3
Which of the following elements is not present in stainless steel?Â
An atom of an element has atomic number 17 and mass number36Â .The number of neutrons in its nucleus isÂ
- The element with highest first ionisation energy is
Refrigerators keep food unspoiled because
The resources which can be used continuously year after year ate called
Select the one which is not a mixture:
Urea is a —