BrainSnippersAug 8, 20201 minThe number of possible natural oscillations of air column in a pipe closed at one end of length 85 The number of possible natural oscillations of air column in a pipe closed at one end of length 85 cm whose frequencies lie below 1250 Hz
BrainSnippersJul 7, 20202 minPLANT KINGDOM | CLASSIFICATION OF PLANT KINGDOM | NEET PREPRATIONFather of Botany is called Theophrastus. Theophrastus first divided plants into herbs, shrubs and trees based on their nature and size.