Sound waves are _________ waves.
1414 05ee85c07109b5d6e015e31ed5ee85c07109b5d6e015e31edThe time period of a pendulum –
1631 05ee35bd6f72c0e153c8265d1If a person sitting in a lift then when will he feel that his weight gets increased?
2091 05ee21905e9ea010382e59ce8