1
WB JEE 2021
MCQ (Single Correct Answer)
+2
-0.5
The plane lx + my = 0 is rotated about its line of intersection with the plane z = 0 through an angle $$\alpha$$. The equation changes to
2
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
The equation of the plane through the point $$(2, - 1, - 3)$$ and parallel to the lines
$${{x - 1} \over 2} = {{y + 2} \over 3} = {z \over { - 4}}$$ and $${x \over 2} = {{y - 1} \over { - 3}} = {{z - 2} \over 2}$$ is
$${{x - 1} \over 2} = {{y + 2} \over 3} = {z \over { - 4}}$$ and $${x \over 2} = {{y - 1} \over { - 3}} = {{z - 2} \over 2}$$ is
3
WB JEE 2020
MCQ (Single Correct Answer)
+1
-0.25
The sine of the angle between the straight line $${{x - 2} \over 3} = {{y - 3} \over 4} = {{z - 4} \over 5}$$ and the plane $$2x - 2y + z = 5$$ is
4
WB JEE 2019
MCQ (Single Correct Answer)
+1
-0.25
The direction ratios of the normal to the plane passing through the points (1, 2, $$-$$3), ($$-$$1, $$-$$2, 1) and parallel to $${{x - 2} \over 2} = {{y + 1} \over 3} = {z \over 4}$$ is
Questions Asked from Three Dimensional Geometry (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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