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The quantities which have the same dimensions as those of solid angle are:

1. stress and angle

2. strain and arc

3. angular speed and stress

4. strain and angle

1. stress and angle

2. strain and arc

3. angular speed and stress

4. strain and angle

Subtopic: Dimensions |

63%

From NCERT

NEET - 2024

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In a vernier callipers, \((N+1)\) divisions of the vernier scale coincide with \(N\) divisions of the main scale. If \(1\) \(\text{MSD}\) represents \(0.1~\text{mm}\), the vernier constant (in \(\text{cm}\)) is:

1. | \(\dfrac{1}{100(N+1)} \) | 2. | \(100N\) |

3. | \(10(N+1) \) | 4. | \(\dfrac{1}{10 N}\) |

Subtopic: Measurement & Measuring Devices |

69%

From NCERT

NEET - 2024

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A force defined by; \(F = \alpha t^2 + \beta t\) acts on a particle at a given time \(t.\) The factor which is dimensionless, if \(\alpha\) and \(\beta\) are constants, is:

1. | \(\alpha t / \beta \) | 2. | \(\alpha \beta t \) |

3. | \(\alpha \beta / t \) | 4. | \(\beta t / \alpha\) |

Subtopic: Dimensions |

63%

From NCERT

NEET - 2024

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The percentage errors in the measurement of mass and momentum of an object are \(1\%\) and \(2\%\) respectively. The percentage error in the measurement of kinetic energy of the object is:

1. \(1\%\)

2. \(3\%\)

3. \(4\%\)

4. \(5\%\)

1. \(1\%\)

2. \(3\%\)

3. \(4\%\)

4. \(5\%\)

Subtopic: Errors |

66%

From NCERT

NEET - 2024

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Match List- I with List- II.

Choose the correct answer from the options given below:

List-I (Measured values) |
List-II (Significant figures) |
||

A. | \(0.001213\) | I. | \(2\) |

B. | \(2.1 \times 10^{16} \) | II. | \(3\) |

C. | \(3.70\) | III. | \(1\) |

D. | \(3000\) | IV. | \(4\) |

Choose the correct answer from the options given below:

1. | A-III, B-II, C-I, D-IV |

2. | A-III, B-I, CII, D-IV |

3. | A-I, B-II, C-IV, D-III |

4. | A-IV, B-I, C-II, D-III |

Subtopic: Significant Figures |

86%

From NCERT

NEET - 2024

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A vernier calipers has \(1~\text{mm}\) marks on the main scale. It has \(20\) equal divisions on the vernier scale which match with \(16\) main scale divisions. The least count of this vernier calipers is:

1. | \(0.02~\text{mm}\) | 2. | \(0.05~\text{mm}\) |

3. | \(0.10~\text{mm}\) | 4. | \(0.20~\text{mm}\) |

Subtopic: Measurement & Measuring Devices |

68%

From NCERT

NEET - 2024

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A metal wire has mass \((0.4\pm 0.002)~\mathrm{g}\), radius \((0.3\pm 0.001)~\mathrm{mm}\) and length \((5\pm 0.02)~\mathrm{cm}\). The maximum possible percentage error in the measurement of density will nearly be:

1. \(1.4 \%\)

2. \(1.2 \%\)

3. \(1.3 \%\)

4. \(1.6 \%\)

1. \(1.4 \%\)

2. \(1.2 \%\)

3. \(1.3 \%\)

4. \(1.6 \%\)

Subtopic: Errors |

From NCERT

NEET - 2023

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The errors in the measurement which arise due to unpredictable fluctuations in temperature and voltage supply are:

1. Random errors

2. Instrumental errors

3. Personal errors

4. Least count errors

1. Random errors

2. Instrumental errors

3. Personal errors

4. Least count errors

Subtopic: Errors |

69%

From NCERT

NEET - 2023

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The diameter of a spherical bob, when measured with vernier callipers yielded the values: \(3.33\) cm, \(3.32\) cm, \(3.34\) cm, \(3.33\) cm and \(3.32\) cm. The mean diameter to appropriate significant figures is:

1. \(3.328\) cm

2. \(3.3\) cm

3. \(3.33\) cm

4. \(3.32\) cm

1. \(3.328\) cm

2. \(3.3\) cm

3. \(3.33\) cm

4. \(3.32\) cm

Subtopic: Measurement & Measuring Devices |

56%

From NCERT

NEET - 2023

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The mechanical quantity, which has dimensions of reciprocal of mass \((M^{-1}),\) is:

1. | angular momentum |

2. | coefficient of thermal conductivity |

3. | torque |

4. | gravitational constant |

Subtopic: Dimensions |

56%

From NCERT

NEET - 2023

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