A spherical ball is dropped in a long column of a highly viscous liquid. The curve in the graph shown, which represents the speed of the ball (\(v\)) as a function of time (\(t\)) is:

1. \(D\)

2. \(A\)

3. \(B\)

4. \(C\)

1. \(D\)

2. \(A\)

3. \(B\)

4. \(C\)

Subtopic: Â Viscosity |

Â 71%

From NCERT

NEET - 2022

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NEET 2023 - Target Batch - Aryan Raj Singh

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NEET 2023 - Target Batch - Aryan Raj Singh

The correct statement about the variation of viscosity of fluids with an increase in temperature is:

1. | viscosity of gases decreases. |

2. | viscosity of both liquids and gases increases. |

3. | viscosity of liquids increases. |

4. | viscosity of liquids decreases. |

Subtopic: Â Viscosity |

Â 73%

From NCERT

NEET - 2022

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NEET 2023 - Target Batch - Aryan Raj Singh

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NEET 2023 - Target Batch - Aryan Raj Singh

The velocity of a small ball of mass \(M\) and density \(d\), when dropped in a container filled with glycerine becomes constant after some time. If the density of glycerine is \(d\over 2\) then the viscous force acting on the ball will be:

1. | \(\frac{3Mg}{2}\) | 2. | \(2Mg\) |

3. | \(\frac{Mg}{2}\) | 4. | \(Mg\) |

Subtopic: Â Viscosity |

Â 60%

From NCERT

NEET - 2021

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NEET 2023 - Target Batch - Aryan Raj Singh

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NEET 2023 - Target Batch - Aryan Raj Singh

Two small spherical metal balls, having equal masses, are made from materials of densities \(\rho_1\) and \(\rho_2\) such that ${}_{}$\(\rho_1=8\rho_2\)

1. | \(\frac{79}{72}\) | 2. | \(\frac{19}{36}\) |

3. | \(\frac{39}{72}\) | 4. | \(\frac{79}{36}\) |

Subtopic: Â Viscosity |

Â 78%

From NCERT

NEET - 2019

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NEET 2023 - Target Batch - Aryan Raj Singh

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NEET 2023 - Target Batch - Aryan Raj Singh