Sound waves are _________ waves.
1377 05ee85c07109b5d6e015e31ed5ee85c07109b5d6e015e31edThe substance which conducts current in the solid state is –
1372 05f2cdd33be9f31290fb7ca73The velocity of sound in air is approx.
1349 15f0ff47c4e2c7631e439119fA typical example of a semiconductor is _______?
1337 05fe1bcbb4c864b4aa0de4b47