Name three units to measure extremely large distances.

Name four units to measure extremely small distances.

Name three practical units to measure Area.

Name three practical units to measure mass.

Name three types of heat transfer.

Name the unit which is used to measure distance between the two stars.

Which units are used to measure laerge distance i.e. distance of planets and stars? Which method is used for measurement?

Parsec is the unit of measurement of

Write a note on radar method to measure larger distances.

(i) Explain the use of screw gauge and vernier caliper in measuring smaller distances. (ii) Write a note on triangultion method and radar method to measure larger distances.