Question

Consider the following statements:

Statement 1: Laser pulse method is used to measure very long distances.

Statement 2: The Light year is a unit to measure these long distances.

• A. Statement 1 is true; Statement 2 is false
• B. Statement 1 is false; Statement 2 is true
• C. Both statements are true
• D. Both statements are false

Answer 1

The correct option is C

Both statements are true

For measuring long astronomical distances, special methods like Radio echo method, laser pulse method and parallax method are adopted. These are measured in units of the light year, astronomical units etc. Hence, both the statements are true.