EASY
Earn 100
The reading for the meniscus of water inside the capillary is taken to find the surface tension of water. Which of the following statements is correct for taking this observation using a travelling microscope?
47.37% studentsanswered this correctly
Important Questions on Experiments Related to Properties of Solids and Fluids
MEDIUM
Consider the radius of the capillary to be and the height of water inside it to be in the experiment for finding surface tension by the capillary rise method. Which one is the correct formula to be used for more precise calculations?
MEDIUM
Which one of the following does not cause an error while finding the surface tension by the capillary rise method?
MEDIUM
A student is using a microscope with divisions in on its main scale and divisions on the vernier scale that are equivalent to divisions of the main scale. He has recorded the main scale reading and the reading for the vernier scale division coinciding with any of the main scale divisions as shown below.
| Reading of meniscus h1(cm) | ||
| Reading of tip of pin touching the surface of water h2(cm) |
Which one of the following is the correct height?
MEDIUM
A student has taken two different sets of observations for the height of water with the capillaries of different radii. The two heights are and and the two radii are and . He forgot to write these observations in the table properly. If and are the radii and heights corresponding to two capillaries then which one of the following statements is correct?
MEDIUM
What is the purpose of adjusting the height of the metallic plate in the apparatus setup?
EASY
A steel ball falls along the axis of the tube filled with a viscous liquid as shown in the figure below.
Two stopwatches started as the ball reached point A. The time taken by the ball to reach B is and to reach at C is . If the terminal velocity is attained by the ball before crossing point A then which of the following statements is correct?
