Nuclear sizes are expressed in a unit named
A). Fermi
B). Angstrom
C). Newton
D). Tesla
Fermi
Fermi - A unit of length equal to 10-15 meter (one femtometer), used in nuclear physics. It is similar to the diameter of a proton.
1. If the velocity of a body is halved its kinetic energy ________
2. The different colours of different stars are due to the variation of
4. The laws which govern the motion of planets are called ________
5. A single fixed pulley is used to draw water from a well because
6. Large astronomical telescopes always use as objective
8. At what temperature (in Fahrenheit) pure water freezes?
9. The land mass of India has an area of ______ million square km.