Physics MCQs Set 2 on vectors and equilibrium for the online preparation Physics MCQS NTS Educators Education Department Government of Punjab for the posts of ESE (Science), SESE (Science) , SSE (Science ) and Assistant Education Officers AEO (Science) test . Prepare your entrance exam for Medical and Engineering Colleges Test or MCAT test of NTS . Physics MCQs set 12th Class Chapter wise with Answers in PDF download.

**1. Which vectors have zero magnitude and arbitrary direction?**

(A) vectors

(B) null vectors

(C) equal vectors

(D) None of the above.

**2. ** **Two vectors having the same magnitude and direction are known as _________.**

(A) null vectors

(B) equal vectors

(C) Both A & B

(D) None of the above.

**3.** **Addition of Vector obeys which law ?.**

(A) distributive law

(B) associative law

(C) commutative law

(D) All of the above.

**4. There should be how many maximum components of vectors **.

(A) 2

(B) 3

(C) 4

(D) Infinite.

**5.** **Maximum number of rectangular components in vector are ______.**

(A) 3

(B) 4

(C) 5

(D) all of the above.

**6.** **Scalar product of two vectors is ________.**

(A) associative

(B) commutative

(C) distributive

(D) None of the above.

**7.** **Scalar product of two mutually perpendicular vectors A.B=AB Cos90 ^{.} is ______ .**

(A) 0

(B) 1

(C) Both A & B

(D) None of the above.

**8. Scalar product of two parallel vectors is equal to the product of their _____.**

(A) magnitude

(B) direction

(C) Both A & B

(D) None of the above.

**9**.** Direction of vector product is given by _________.**

(A) thumb impression

(B) right hand rule

(C) left hand rule

(D) None of the Above.

**10. Angle between two vectors A & B is determined by _____.**

(A) Right hand rule

(B) dot product

(C) cross product

(D) None of the above.

**11. Which statement perfectly fits on first condition of equilibrium?**

(A) A body at rest or moving with uniform velocity has zero acceleration

(B) angular acceleration to be zero

(C) Both A & B

(D) None of the above.

**12. ** **A unit vector has magnitude of _______.**

(A) 0

(B) 1

(C) 0 & 1

(D) None of the above.

**13. A torque is defined as product of force and ________.**

(A) turning effect

(B) moment of arm

(C) both A & B

(D) None of the Above.

**14. Vector addition is ________**.

(A) cumulative

(B) associative

(C) distributive

(D) None of the Above.

**15.** **S.I derived Unit of torque is ________.**

(A) newton

(B) force

(C) newton meter (N.M)

(D) None of the above.

**16. A body in equilibrium is always in ______.**

(A) always in uniform motion

(B) always at rest

(C) at rest or in uniform motion

(D) None of the above.

**17. A vector is a quantity that has both magnitude and _______.**

(A) direction

(B) no direction

(C) both A & B

(D) None of the above.

**18. A scalar is a quantity which magnitude and ________ ?.**

(A) direction

(B) no direction

(C) Both A & B

(D) None of the above.

**19**.** Torque acting on body determines what?**

(A) angular acceleration

(B) uniform acceleration

(C) acceleration

(D) None of the Above.

**20. Can the magnitude of a vector has negative value.**

(A) yes

(B) no

(C) Both A & B

(D) None of the above.

**21. Can a vector have a component greater than the vector's magnitude?**

(A) No

(B) Yes it is possible

(C) Both A & B

(D) None of the above.

**22. Can we add zero to a null vector _______.**

(A) Yes

(B) No

(C) Both A & B

(D) None of the above.

**23.** **Force is ______.**

(A) Scalar

(B) Vector

(C) Dont't know

(D) None of the Above.

**24. Distance is ________**.

(A) Scalar

(B) Vector

(C) both A & B

(D) All of the above.

**25.** Vectors are represented by ** ______ .**

(A) line

(B) dot

(C) arrows

(D) all of the above.

**Answers to Physics**** ** **MCQs Set-3**

1. B

2. B

3. C

4. D

5. A

6. B

7. A

8. A

9. B

10.B

11. A

12. B

13. B

14. A

15. C

16. C

17. A

18. B

19. C

20. A

21. A

22. A

23. B

24. A

25. C