A body of mass ‘m’ falls from a height h₁ and rises to a height ‘h₂’.The magnitude of the change in momentum during the impact with ground

• A

  mg (h₁ + h₂)

• B

  $\mathrm{m}(\sqrt{2{\mathrm{gh}}_1}+\sqrt{2{\mathrm{gh}}_2})$

• C

  $\mathrm{m}(\sqrt{2{\mathrm{gh}}_1}-\sqrt{2{\mathrm{gh}}_2})$

• D

  zero