# Physics and Measurement-Errors in Measurement (NEET Physics): Questions 18 - 22 of 29

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## Question number: 18

» Physics and Measurement » Errors in Measurement

### Question

A physical quantity A is related to four observable a, b, c and d as follows, A =

the percentage errors of measurement in a, b, c and d are 1%, 3%, 2 % and 2 % respectively. What is the percentage error in the quantity A?

### Choices

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

a. | 14% | |

b. | 7% | |

c. | 5% | |

d. | 12% |

## Question number: 19

» Physics and Measurement » Errors in Measurement

### Question

The percentage errors in the measurement of mass and speed are 2 % and 3 % respectively. How much will be the maximum error in the estimation of the kinetic energy obtained by measuring mass and speed?

### Choices

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

a. | 1% | |

b. | 5 % | |

c. | 8 % | |

d. | 11 % |

## Question number: 20

» Physics and Measurement » Errors in Measurement

### Question

A physical parameter a can be determined by measuring the parameters b, c, d and e using the relation a =

If the maximum errors in the measurement of b, c, d and e are b1 %, c1 %, d1 %, and e1 %, then the maximum error in the value of a determined by the experiment is

### Choices

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

a. | (b | |

b. | (b | |

c. | (b | |

d. | (b |

## Question number: 21

» Physics and Measurement » Errors in Measurement

### Question

If L = 2.331 cm, B = 2.1 cm, then L + B =

### Choices

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

a. | 4, 43 cm | |

b. | 4 cm | |

c. | 4.431 cm | |

d. | 4.4 cm |

## Question number: 22

» Physics and Measurement » Errors in Measurement

### Question

In an experiment, the following observations were recorded: L = 2.820 m, M = 3.00 kg, *l* = 0.087 cm, Diameter D = 0.041 cm. Taking g = 9.81 m/s2 using the formula, Y =

, the maximum percentage error in Y is

### Choices

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

a. | 6.50 % | |

b. | 4.56 % | |

c. | 7.96 % | |

d. | 8.42 % |