sarahhans800 sarahhans800
  • 23-01-2024
  • Physics
contestada

A line L1 having direction ratios 1,0,1 lies on xz plane. Now, this xz plane is rotated about z) axis by an angle of 90°. Now the new position of L₁ is L₂. The angle between L₁ and L₂ is:
a) 30°
b) 60°
c) 90°
d) 45°

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