MCQOPTIONS
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MCQOPTIONS
| 1. |
The direction ratios of normal to the plane through the points (0, -1, 0) and (0, 0, 1) and making an angle \(\frac{\pi }{4}\) with the plane y – z + 5 = 0 are: |
| A. | 2, -1, 1 |
| B. | \(2,\sqrt 2 , - \sqrt 2\) |
| C. | \(\sqrt 2 ,1, - 1\) |
| D. | \(2\sqrt 3 ,1, - 1\) |
| Answer» D. \(2\sqrt 3 ,1, - 1\) | |