Subject :NSO Class : Class 8
Read the given statements and mark the correct option.
Statement 1 : One complete to and fro motion of a second pendulum takes one second.
Statement 2 : Anything that occurs or appears at regular intervals can help us to measure time.
Answer should be a
Statement 1 : One complete to and fro motion of a second pendulum takes one second.
Statement 2 : Anything that occurs or appears at regular intervals can help us to measure time.
Answer should be a