In which year Robert Hooke presented his law of elasticity?

Options

A. 1672
B.  1674
C. 1676
D. 1678

Explanation

To determine the year Robert Hooke presented his law of elasticity, we can follow these steps:

1. **Understand Hooke's Law**: Hooke's Law states that the stress applied to a material is directly proportional to the strain produced in that material, which can be mathematically expressed as:
\[ \text{Stress} = k \times \text{Strain} \]
where \( k \) is the proportionality constant.

2. **Identify Key Dates**: According to the information provided, Robert Hooke discovered the law in 1660 and presented it in 1676.

3. **Select the Correct Year**: From the options given (1672, 1674, 1676, 1678), the year Robert Hooke presented his law of elasticity is 1676.

4. **Conclusion**: Therefore, the correct answer is 1676.