Wave and Conversion

Unit conversion:

10 decameter =10 decimeter
1 decimeter = 10 centimeter
1 centimeter = 10 millimeter
1 millimeter =1000 micrometer
1 micrometer =1000 nanometer
1 nanometer =1000 picometer
1 picometer =1000 femtometer
1 femtometer =1000 attometer