# Kinematics (AIIMS (All India Institute of Medical Sciences) Physics): Questions 14 - 17 of 39

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## Question number: 14

» Kinematics » Scalars and Vectors » Scalar and Vector Products

MCQ▾

### Question

The vector and are perpendicular to each other. The positive value of a is:

### Choices

Choice (4) Response

a.

zero

b.

2

c.

1

d.

3

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## Question number: 15

» Kinematics » Scalars and Vectors » Scalar and Vector Products

Appeared in Year: 2009

Assertion-Reason▾

### Assertion (Ꭺ)

Assertion: Vector is perpendicular to

### Reason (Ꭱ)

Two non-zero vectors are perpendicular if their dot product is equal to zero.

### Choices

Choice (4) Response

a.

Ꭺ is true but Ꭱ is false

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

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## Question number: 16

» Kinematics » Scalars and Vectors » Scalar and Vector Products

Appeared in Year: 1998

Assertion-Reason▾

### Assertion (Ꭺ)

The dot product of one vector with another vector may be a scalar or a vector.

### Reason (Ꭱ)

If the product of two vectors is a vector quantity, then product is called a dot product.

### Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

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## Question number: 17

» Kinematics » Scalars and Vectors » Scalar Quantity

Appeared in Year: 2000

Assertion-Reason▾

### Assertion (Ꭺ)

A physical quantity can be regarded as a vector, if magnitude as well as direction is associated with it.

### Reason (Ꭱ)

A physical quantity can be regarded as a scalar quantity, if it is associated with magnitude only.

### Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

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