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Standard XII

Physics

Unit Vectors

In line has i...

Question

In line has intercepts $a$ and $b$ on the coordinate axes. If keeping the origin fixed, the coordinate axes are rotated through $90^{0}$ , the same line intercepts $p$ and $q$ , then

p = a, q = b

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p = b, q = a

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p = - b, q = - a

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p = b, q = - a

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Solution

The correct option is D $p = b, q = - a$
If rotated clockwise then coordinate be (b,-a)
$∴ p = b$ and $q = - a$

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The correct option is D $p = b, q = - a$
If rotated clockwise then coordinate be (b,-a)
$∴ p = b$ and $q = - a$