Question

According to Huygens', the ether medium pervading entire universe is

• A. Less elastic and more dense
• B. Highly elastic and less dense
• C. Not elastic
• D. Much heavier

Answer 1

The correct option is B Highly elastic and less dense

Huygens considered, light as a mechanical wave, and it needs a medium to propagate called ether which is highly elastic and less dense.

Hence, option $\left(\text{B}\right)$ is correct.