SATHEE: Vectors Question 87

Vectors Question 87

Question: The vector projection of a vector $ 3\hat{i}+4\hat{k} $ on y-axis is

[RPMT 2004]

Options:

A) 5

B) 4

C) 3

D) Zero

Show Answer

Answer:

Correct Answer: D

Solution:

As the multiple of $ \hat{j} $ in the given vector is zero

Therefore this vector lies in XZ plane and projection of this vector on y-axis is zero.

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Vectors Question 87

Question: The vector projection of a vector $ 3\hat{i}+4\hat{k} $ on y-axis is

Options:

Answer:

Solution:

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