Stokes' Law Absorb Before You Solve MCQs Mechanical Properties of Fluids Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

1(current)

The terminal velocity of a copper ball of radius

5 mm

$5~\text{mm}$ falling through a tank of oil at room temperature is

10 cm s^{- 1}

$10~\text{cm}~\text{s}^{-1}$ . If the viscosity of oil at room temperature is

0.9 kg m^{- 1} s^{- 1}

$0.9~\text{kg}~\text{m}^{-1}~\text{s}^{-1}$ , the viscous drag force is:
1.

8.48 \times 10^{- 3}

$8.48 \times10^{-3}$ N
2.

8.48 \times 10^{- 5}

$8.48 \times10^{-5}$ N
3.

4.23 \times 10^{- 3}

$4.23 \times10^{-3}$ N
4.

4.23 \times 10^{- 6}

$4.23 \times10^{-6}$ N

Subtopic: Stokes' Law |

66%

From NCERT

NEET - 2022

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Q2:

A tall cylinder is filled with viscous oil. A round pebble is dropped from the top with zero initial velocity. The plot shown in the figure indicates the one that represents the velocity $(v)$ of the pebble as a function of time $(t).$

1.		2.
3.		4.

Subtopic: Stokes' Law |

84%

From NCERT

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Hints

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