load on hanger and mean value of spherometer screw reading
C
radius of the wire and spherometer screw reading
D
none of these
Text Solution
AI Generated Solution
The correct Answer is:
To solve the question regarding Searl's experiment and the graph plotted, we can break it down into the following steps:
### Step-by-Step Solution:
1. **Understanding Searl's Experiment**:
- Searl's experiment involves measuring the deformation of a wire when a load is applied. The wire is subjected to a force, and the resulting elongation or displacement is measured.
2. **Identifying the Variables**:
- In this experiment, the two main variables involved are the load applied on the hanger (F) and the displacement measured by the spherometer (ΔL).
3. **Establishing the Relationship**:
- The relationship between the applied force (F), the area (A), Young's modulus (Y), and the displacement (ΔL) is given by the formula:
\[
Y = \frac{F/A}{\Delta L/L}
\]
- Rearranging this gives us a direct relationship between the force and the displacement.
4. **Plotting the Graph**:
- We plot a graph of the applied load (F) on the x-axis against the mean value of the spherometer screw reading (ΔL) on the y-axis. This graph helps us visualize how the displacement changes with varying loads.
5. **Conclusion**:
- Therefore, in Searl's experiment, the graph is plotted between the load on the hanger (F) and the mean value of the spherometer screw reading (ΔL).
### Final Answer:
The graph in Searl's experiment is plotted between the load on the hanger (F) and the mean value of the spherometer screw reading (ΔL).
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