Punjab 12th Class Math Chapter 7 Vectors Mcqs Test Online

Total Question
20 Questions
Total Marks
40 Marks
Total Time
20 Minuts
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Test Name



Ch. 7 # Vectors

Subject



Mathematics (12th Class)

Test Type



MCQs


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

 
1.
2.
3.
4.

Question 1 of 20

Question 2 of 20

2. The equation 2x + 3y + 6z = 35 represents
1.
2.
3.
4.

Question 2 of 20

Question 3 of 20

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

1.
2.
3.
4.

Question 3 of 20

Question 4 of 20

4. Magnitude of the vector xî + yĴ is:
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3.
4.

Question 4 of 20

Question 5 of 20

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

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3.
4.

Question 5 of 20

Question 6 of 20

6. If  l₁l₂ + m₁m₂ + n₁n₂ = 0then the angle between the two vectors is
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2.
3.
4.

Question 6 of 20

Question 7 of 20

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

Question 7 of 20

Question 8 of 20

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

 
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2.
3.
4.

Question 8 of 20

Question 9 of 20

9. The triangle law for vector addition is equivalent to the
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4.

Question 9 of 20

Question 10 of 20

10. 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

1.
2.
3.
4.

Question 10 of 20

Question 11 of 20

11. The distance from the origin to the plane
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2.
3.
4.

Question 11 of 20

Question 12 of 20

12. Which of triples can be direction angles of a single vector =
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2.
3.
4.

Question 12 of 20

Question 13 of 20

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

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2.
3.
4.

Question 13 of 20

Question 14 of 20

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

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2.
3.
4.

Question 14 of 20

Question 15 of 20

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

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2.
3.
4.

Question 15 of 20

Question 16 of 20

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

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2.
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Question 16 of 20

Question 17 of 20

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

 

 
1.
2.
3.
4.

Question 17 of 20

Question 18 of 20

18. If the vector 2i + 4j – yk and 2i + 6j xk are perpendicular then x =
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2.
3.
4.

Question 18 of 20

Question 19 of 20

19. If i & j are two unit vectors then i x j =
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2.
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4.

Question 19 of 20

Question 20 of 20

20. The join of the mid points of the consecutive sides of any quadrilateral is
1.
2.
3.
4.

Question 20 of 20


 

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