Vectors and Scalar

Q. A physical quantity which has only magnitude is called and that has both magnitude and direction is called .

1. scalar
2. vector
3. speed
4. displacement

Q.

What are scalar and vector quantities? Give two examples for each?

Q. A displacement vector of magnitude 4 makes an angle 30 with the x-axis. Its rectangular components x-y plane are

Q. Two vector A=2i+3j-4k and B=4i+8j+xk are such that component of vector B along vector A is zero. Then the value of x Ill be what.

Q. M is the midpoint of the straight line AB. If the position vectors of A and B be a and b respectively, determine the position vector of M.

Q.

Which of the given vector is a negative vector?

1. Vector A

2. Vector B

3. There is no such thing as Negative Vector

4. None of these

Q.

Which of the following are vector quantities; speed, velocity, displacement, distance?

Q.

A vector quantity has :

1. 
2. 
3. 
4. 

Q.

Which of the given 2 vectors are negative of each other?

1. (E) & (D)

2. (A) & (D)

3. both option a & b

4. None of these

Q. is not a vector quantity.

1. Speed
2. Displacement
3. Acceleration

Q.

Which of the following are scalars?

1. Mass

2. Weight

3. Velocity

4. Acceleration

Q.

Vector quantities are expressed in

1. magnitude only

2. direction only

3. magnitude and direction

4. none of the above

Q. What is velocity and few examples of it ?

Q.
are two given vectors which are same.

1. (B) & (E)
2. (B) & (C)
3. (A) & (D)
4. (A) & (E)

Q. Speed and dispalcement are scalar quantities as they have only magnitude and no direction.

1. True
2. False

Q. Which of the following is a vector quantity?

1. Weight
2. Length
3. Speed
4. Velocity

Q. are two given vectors that are negative of each other.

1. (E) & (D)
2. (A) & (D)
3. (B) & (C)
4. (A) & (E)

Q. is not a vector quantity.

1. Speed
2. Acceleration
3. Velocity
4. Displacement

Q. Identify the scalar quantities from the following:

1. Distance
2. Speed
3. Velocity
4. Time
5. Mass
6. Temperature
7. Displacement
8. Acceleration

Q. Which of the given quantities is/are scalar?

1. Diaplacement
2. Speed
3. Velocity
4. Mass
5. Acceleration
6. Length
7. Time
8. Distance

Q. The negative sign reverses the direction of the vector.

1. False
2. True

Q. A vector necessarily changes if it is rotated through an angle.

1. False
2. True

Q. if four or more than four vectors are located in different planes , can their resultant vector be a zero vector, if yes than how?explain with example

Q. Which of the following is true about the value of acceleration?

1. It is always negative.
2. It is always positive.
3. It can be positive, negative, or zero.
4. It is always equal to zero.