Subject :NSO Class : Class 8
Bees which are not carrying honey fly with a flapping frequency of 440 Hz while those which are carrying honey fly with a flapping frequency of 300 Hz. The sound made by bees which are not carrying honey has
AA lower pitch
BA higher pitch
CA smaller loudness
DA greater loudness
How it's higher pitch? Please give of this question.
Ans 1:
Class : Class 9
B
Ans 2:
Class : Class 9
D