Related Questions

  1. The fossil bone has a ¹⁴C:¹²C ratio, which is [1/16] of that in a living animal
  2. Which of the following are mechanical waves?
  3. A magnetic needle suspended parallel to a magnetic field requires √3J of work
  4. Which wavelengths of sun is used finally as electric energy?
  5. If in a nuclear fusion process, the masses of the fusing nuclei be m₁ and m₂