### questions

Title
###### A scalar quantity has __________

A scalar quantity has __________.

1. magnitude
2. direction
3. both (a) and (b)
4. none of these
###### Which of the following is/are scalar quantity(s)?

Which of the following is/are scalar quantity(s)?

1. distance
2. B. density
3. temperature
4. all of these
###### Which of the following is not a scalar quantity?

Which of the following is not a scalar quantity?

1. entropy
2. displacement
3. . volume
4. mas
###### A vector quantity has __________

A vector quantity has __________.

1. magnitude
2. direction
3. both (a) and (b)
4. none of these
###### Which of the following is/are vector quantity(s)?

Which of the following is/are vector quantity(s)?

1. force
2. electric field intensity
3. acceleration
4. all of these
###### A unit vector has its magnitude as ____________

A unit vector has its magnitude as ____________.

1. 0
2. 1
3. none of these
###### A unit vector has _______ direction to that of the main vector

A unit vector has _______ direction to that of the main vector.

1. same
2. opposite
3. normal upwards
4. normal downwards
###### A vector P in Cartesian coordinates is represented by ____________

A vector P in Cartesian coordinates is represented by ____________.

1. (Px, Pφ, Pz)
2. (Px, Py, Pz)
3. (Px, Pφ, Pθ)
4. none of these
###### ________ of two vectors uses the Law of Parallelogram

________ of two vectors uses the Law of Parallelogram.

1. multiplication
2. division
4. all of these
###### Multiplication of two vectors is __________

Multiplication of two vectors is __________.

1. vector
2. scalar
3. either vector or scalar
4. cannot say
###### If two vectors are orthogonal, then their scalar product is__________

If two vectors are orthogonal, then their scalar product is__________.

1. 1
2. 0
3. 100
###### ___________ product is governed by the Right-Hand Screw Rule

___________ product is governed by the Right-Hand Screw Rule.

1. vector
2. scalar
3. simple mathematical
4. none of these
###### The vector product obeys the __________ law

The vector product obeys the __________ law.

1. Commutative
2. Associative
3. Distributive
4. Parallelogram
###### The cross product of the same vector to itself is ____________

The cross product of the same vector to itself is ____________.

1. 0
2. 1
3. 100
###### ____________ product of two unit vectors is the third unit vector

____________ product of two unit vectors is the third unit vector.

1. vector
2. scalar
3. both (a) and (b)
4. none of these
###### 'r' in Cylindrical coordinates corresponding to Cartesian coordinate(3, 4, 5) is ____________

'r' in Cylindrical coordinates corresponding to Cartesian coordinate(3, 4, 5) is ____________.

1. 12
2. 7
3. 10
4. 5
###### In a Cartesian coordinate system, axes x, y and z are at __________to each other

In a Cartesian coordinate system, axes x, y and z are at __________to each other.

1. 45°
2. 90°
3. 120°
4. 180°
###### Cartesian coordinates are represented in terms of ___________

Cartesian coordinates are represented in terms of ___________.

1. (r, φ, z)
2. (r, θ, φ)
3. (x, y, z)
4. all of these
###### Cylindrical coordinates are represented in terms of ____________

Cylindrical coordinates are represented in terms of ____________.

1. (r, φ, z)
2. (r, θ, φ)
3. (x, y, z)
4. all of these
###### Spherical coordinates are represented in terms of ___________

Spherical coordinates are represented in terms of ___________.

1. (r, φ, z)
2. (r, θ, φ)
3. (x, y, z)
4. all of these

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