A particle moves from $(2,3) \mathrm{m}$ to $(4,1) \mathrm{m}$. The magnitude of displacement is

A particle moves from $(2,3) \mathrm{m}$ to $(4,1) \mathrm{m}$. The magnitude of displacement is
  1. $2 \mathrm{~m}$
  2. $2 \sqrt{3} \mathrm{~m}$
  3. $2 \sqrt{2} \mathrm{~m}$
  4. $3 \sqrt{2} \mathrm{~m}$

Solution

Displacement $=\sqrt{(4-2)^{2}+(3-1)^{2}}=\sqrt{4+4}=2 \sqrt{2} \mathrm{~m}$ ,

Asked in: JEE Mains - Motion In One Dimension - Test 1

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