Punjab 12th Class Math Chapter 7 Vectors Mcqs Test Online
Questions 20
Total Marks 40
Time 20 Mins
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Punjab 12th Class Math Chapter 7 Vectors Mcqs Test Online

Punjab 12th Class Math Chapter 7 Vectors Mcqs Test Online

 

Question 1 of 20

Math

1. If Cosα, Cosβ, Cosχ are the directions Cosines of a vector then
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2.
3.
4.

Question 1 of 20

Question 2 of 20

2. The equation (x – 1)² + (y – 3)² + (z – 5)² = 25 represents

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2.
3.
4.

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Question 3 of 20

3. The position vector of a point P(x, y, z) is denoted by

 

Math 7.1 
1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. If the right bisectors of the two sides of a triangle pass through the origin then the right bisector of the third side will pass through the point

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3.
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Question 4 of 20

Question 5 of 20

5. The numbers proportional to the direction cosines of a vector are called

 
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Question 6 of 20

6. If the vector 2i + 4j – yk and 2i + 6j xk are perpendicular then x =
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Question 7 of 20

7. The point (3, 5, 8) lies in the

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Question 7 of 20

Question 8 of 20

8. Magnitude of the vector xî + yĴ is:
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Question 8 of 20

Question 9 of 20

9. Two or more vectors are said to be collinear if they are

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Question 9 of 20

Question 10 of 20

10. If i & j are two unit vectors then i x j =
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Question 10 of 20

Question 11 of 20

11. The equation 2x + 3y + 6z = 35 represents
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4.

Question 11 of 20

Question 12 of 20

12. The distance from the origin to the plane
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Question 12 of 20

Question 13 of 20

13. For three vectors a, b, & c : (a + b) + c =

 
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Question 14 of 20

14. The three coordinate’s planes divide all space into

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Question 15 of 20

15. The contact in which the point coordinates are all positive is called

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Question 16 of 20

16. The triangle law for vector addition is equivalent to the
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Question 17 of 20

17. If  l₁l₂ + m₁m₂ + n₁n₂ = 0then the angle between the two vectors is
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Question 17 of 20

Question 18 of 20

18. Which of triples can be direction angles of a single vector =
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Question 19 of 20

19. The coordinates of the center of the sphere x² + y² + z² = 9 is

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Question 19 of 20

Question 20 of 20

20. The join of the mid points of the consecutive sides of any quadrilateral is
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Question 20 of 20


 

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