The wavelength of X-rays is of the order of
1 angstrom is equal to 1.0 × 10-10 meters. See the diagram given against Q. 33 for wavelengths of different rays in the electromagentic spectrum
What is the mass of one litre of cottonseed oil of density 926 kg/m³?
Consider the following statements regarding diamond
Which of the statements given above are correct?
When applied to the affected area, which one of the following will relieve the pain due to ant-bite or bee-sting?
Oxygen and ozone are
Which among the following elements (metals) pollutes the air of a city having a large number of automobiles?