- A. Collision between fast neutrons and nitrogen nuclei present in the atmosphere.
- B. Action of ultraviolet light from the sun on atmospheric oxygen.
- C. Action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere.
- D. Lightning discharge in the atmosphere.
Question: Physics
Which of the following terms is not used in the field of physics?
- A. Latent heat
- B. Nuclear fusion
- C. Refractive index
- D. Stock value
Nuclear sizes are expressed in a unit named
- A. Fermi
- B. Angstrom
- C. Newton
- D. Tesla