When the pressure on a shpere s increased by `80` atmospheres, its volume decreases by `0.01%`. Find the bulk modulus of elasticity of the material of the sphere.

Which of the following statements are related to Boyle's law? a. When pressure increases volume decreases. b. When temperature increasen, volume increases. c. If P is pressure and V the volume N then P xxV is a constant. d. At constant temperature and pressure the volume of a gas is directly proportional to the number of molecules.