If P-Q-PQ- then angle between P- and Q- is

Name: CENGA - Grade 11 - Physics - Vectors - Q96
Uploaded: 2022-07-04T10:36:42+05:30
Description: Given, P⃗·Q⃗=PQ PQcosθ =PQ ⇒cosθ =1 ⇒θ =0^∘ ...

Given, P⃗·Q⃗=PQ PQcosθ =PQ ⇒cosθ =1 ⇒θ =0^∘ ...

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Byju's Answer

Standard VII

History

Entry of Arabs

If P⃗·Q⃗=PQ, ...

Question

If $\to P \cdot \to Q = P Q$ , then angle between $\to P$ and $\to Q$ is

45^{\circ}

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0^{\circ}

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30^{\circ}

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60^{\circ}

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Solution

The correct option is B $0^{\circ}$
Given,
$\to P \cdot \to Q = P Q$

$P Q cos θ = P Q$

$\Rightarrow cos θ = 1$

$\Rightarrow θ = 0^{\circ}$

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Entry of Arabs

Standard VII History

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If →P⋅→Q=PQ, then angle between →P and →Q is

The correct option is B 0∘Given, →P⋅→Q=PQ PQcosθ=PQ ⇒cosθ=1 ⇒θ=0∘

If $\to P \cdot \to Q = P Q$ , then angle between $\to P$ and $\to Q$ is

The correct option is B $0^{\circ}$
Given,
$\to P \cdot \to Q = P Q$

$P Q cos θ = P Q$

$\Rightarrow cos θ = 1$

$\Rightarrow θ = 0^{\circ}$