A gas is contained in a metallic cylinder fitted with a piston. The piston is suddenly moved in, to compress the gas and is maintained at position. After compression as the time passes the pressure of gas in the cylinder

 A gas is contained in a metallic cylinder fitted with a piston. The piston is suddenly moved in, to compress the gas and is maintained at position. After compression as the time passes the pressure of gas in the cylinder

	Decreases
	Increases
	Remains constant
	May increase or decrease depends on gas atomicity