Physics · 2025
JEE Main · 28 January 2025, Shift 1 · Q30
In the experiment for measurement of viscosity ' η ' of given liquid with a ball having radius R, consider following statements. A. Graph between…
In the experiment for measurement of viscosity ' $\displaystyle \eta$ ' of given liquid with a ball having radius $\displaystyle R$, consider following statements.
A. Graph between terminal velocity V and R will be a parabola.
B. The terminal velocities of different diameter balls are constant for a given liquid.
C. Measurement of terminal velocity is dependent on the temperature.
D. This experiment can be utilized to assess the density of a given liquid.
E. If balls are dropped with some initial speed, the value of $\displaystyle \eta$ will change.
Choose the correct answer from the options given below:
Official answer
From NTA’s final answer key for this paper.
(3)
A, C and D Only
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JEE Main 2025 Physics question, with the answer from NTA’s final answer key. Where our answers come from.