# Physics and Measurement-Errors in Measurement (NEET Physics): Questions 12 - 17 of 29

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## Passage

The internal radius of a 1 m long resonance tube is measured as 3 cm. A tuning fork of frequency 2000 Hz is used. The first resonating length is measured as 4.6 cm and the second resonating length is measured as 14.0 cm.

## Question number: 12 (2 of 3 Based on Passage) Show Passage

» Physics and Measurement » Errors in Measurement

### Question

Calculate the speed of sound at the room temperature.

### Choices

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

a. | 275 m/s | |

b. | 330 m/s | |

c. | 376 m/s | |

d. | 356 m/s |

## Question number: 13 (3 of 3 Based on Passage) Show Passage

» Physics and Measurement » Errors in Measurement

### Question

Calculate the end correction.

### Choices

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

a. | 0.3 cm | |

b. | 0.4 cm | |

c. | 0.2 cm | |

d. | 0.1 cm |

## Question number: 14

» Physics and Measurement » Errors in Measurement

### Question

If 97.52 is divided by 2.54, the correct result in terms of significant figures is

### Choices

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

a. | 38.4 | |

b. | 38.39 | |

c. | 38.394 | |

d. | 38.937 |

## Question number: 15

» Physics and Measurement » Errors in Measurement

### Question

In the context of accuracy of measurement and significant figures in expressing results of experiment, which of the following is/are correct?

- Out of the two measurements 50.14 cm and 0.00025 ampere, the first one has greater accuracy
- Out of the two measurements 50.14 cm and 0.00025 ampere, the second has greater accuracy
- If one travels 697 m by rail and 478 km by road, the total distance is 478.697 km.
- If one travels 478 km by rail and 397 m by road, the total distance travelled is 875 km.

### Choices

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

a. | 1 and 3 | |

b. | 1 and 2 | |

c. | 2 and 4 | |

d. | 1, 2, 3 |

## Question number: 16

» Physics and Measurement » Errors in Measurement

### Question

Which of the following pairs have same dimensions?

### Choices

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

a. | Energy and wavelength | |

b. | Torque and Energy | |

c. | Angular momentum and work | |

d. | Energy and Young’s modulus |

## Question number: 17

» Physics and Measurement » Errors in Measurement

### Question

Error in the measurement of radius of a circle is 1%. The error in the calculated value of its area is

### Choices

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

a. | 3% | |

b. | 2% | |

c. | 7% | |

d. | 1% |