Related Questions

  1. If ∆Q>0 when heat flows into a system, ∆W>0 when work is done on the system
  2. A parallel beam of light of wavelength λ is incident normally on a narrow slit
  3. A thermoelectric refrigerator works on
  4. The half life of a radioactive isotope ‘X’ is 20 years. It decays to another element Y
  5. The ratio of the nuclear radii of elements with mass numbers 216 and 125 is