Question

Special methods adopted to measure large distances is/are

• A. Radio echo method
• B. Large pulse method
• C. parallax method
• D. Vernier caliper method

Answer 1

Answer: (A), (B), (C)

The correct options are
A Radio echo method
B Large pulse method
C parallax method

For measuring large distances such as the distance of moon or planet from earth, special methods are adopted. Few examples are Radio echo method, laser pulse method and parallax method.Units such as astronomical units and light year are used to measure distance in space.