# Kinematics-Scalars and Vectors (AIIMS Physics): Questions 7 - 10 of 12

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## Question number: 7

» Kinematics » Scalars and Vectors » Scalar and Vector Products

Appeared in Year: 1998

### 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 |

## Question number: 8

» Kinematics » Scalars and Vectors » Scalar Quantity

Appeared in Year: 2000

### 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 |

## Question number: 9

» Kinematics » Scalars and Vectors » Scalar and Vector Products

### Question

A force of newton acts on a body and displaces it by meter. The work done by the force is:

### Choices

Choice (4) | Response | |
---|---|---|

a. | 49 J | |

b. | 120 J | |

c. | 72 J | |

d. | 56 J |

## Question number: 10

» Kinematics » Scalars and Vectors » Scalar and Vector Products

### Question

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

### Choices

Choice (4) | Response | |
---|---|---|

a. | 3 | |

b. | 5 | |

c. | 1 | |

d. | 0 |