# NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics: Questions 114 - 120 of 2320

Access detailed explanations (illustrated with images and videos) to **2320** questions. Access all new questions we will add tracking exam-pattern and syllabus changes. *Unlimited Access for Unlimited Time*! View Sample Explanation or View Features.

Rs. 600.00 or

How to register?

## Passage

A = 2i + j + k and B = i + j + k are two vectors.

## Question number: 114 (1 of 3 Based on Passage) Show Passage

» Kinematics » Scalars and Vectors » Scalar and Vector Products

### Question

the unit vector perpendicular to A is

### Choices

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

a. | ||

b. | ||

c. | ||

d. |

## Question number: 115 (2 of 3 Based on Passage) Show Passage

» Kinematics » Scalars and Vectors » Scalar and Vector Products

### Question

The unit vector parallel to A is

### Choices

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

a. | ||

b. | ||

c. |
| |

d. |

## Question number: 116 (3 of 3 Based on Passage) Show Passage

» Kinematics » Scalars and Vectors » Scalar and Vector Products

### Question

the unit vector perpendicular to B is

### Choices

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

a. |
| |

b. | ||

c. | ||

d. |

## Question number: 117

» Kinematics » Scalars and Vectors » Vector Addition and Subtraction

### Question

A boat is moving with a velocity 3i + 4j with respect to ground. The water in the river is moving with a velocity – 3i – 4j with respect to ground. The relative velocity of the boat with respect to water is

### Choices

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

a. | 8 | |

b. | -6 - 8 | |

c. | 5 - | |

d. | 6 + 8 |

## Question number: 118

» Kinematics » Scalars and Vectors » Scalar and Vector Products

### Question

The three vectors A = 3i-2j + k, B = i-3j + 5k and C = 2i + j-4k form

### Choices

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

a. | an equilateral triangle | |

b. | a right angled triangle | |

c. | no triangle | |

d. | isosceles triangle |

## Question number: 119

» Kinematics » Velocity-Time Graphs

### Question

The speed of a boat is 5km/h in still water. It crosses a river of width 1 km along the shortest possible path in 15 minutes. The velocity of the river water is

### Choices

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

a. | 3 km/h | |

b. | 4 km/h | |

c. | 1 km/h | |

d. | 5 km/h |

## Question number: 120

» Kinematics » Scalars and Vectors » Scalar and Vector Products

### Question

If for two vectors A and B, A x B = 0, which of the following is not correct?

(1) They are perpendicular to each other

(2) They act at an angle of 60°

(3) They act at an angle of 30°

(4) They are parallel to each other

### Choices

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

a. | 1,2 and 3 are correct | |

b. | 1 and 3 are correct | |

c. | 1 and 2 are correct | |

d. | 2 and 4 are correct |