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Standard XII

Physics

Unit Vectors

A line y=x ...

Question

A line $y = x$ is rotated through $45^{o}$ . Find the new angle made by line with X axis.

90^{o}

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80^{o}

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75^{o}

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None of these

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Solution

The correct option is A $90^{o}$
The angle made by line $y = x$ is $45^{0}$
and $45^{0}$ is rotated then angle becomes $45^{0} + 45^{0} = 90^{0}$

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Similar questions

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A line y=x is rotated through 45o . Find the new angle made by line with X axis.

The correct option is A 90oThe angle made by line y=x is 450and 450 is rotated then angle becomes 450+450=900

A line $y = x$ is rotated through $45^{o}$ . Find the new angle made by line with X axis.

The correct option is A $90^{o}$
The angle made by line $y = x$ is $45^{0}$
and $45^{0}$ is rotated then angle becomes $45^{0} + 45^{0} = 90^{0}$