Question

. If P ⃗ × Q ⃗ = 0 ⃗ , Q ⃗ × R ⃗ = 0 ⃗ , then the angle between P ⃗ and R ⃗ can be

a) π/4
b) zero
c) π/2
d) none of these

Answer 1

The angle between P$^{→}$ and R$^{→}$ can be θ$_{1}$ .

d) None of these ✔️