RRB NTPC 2021 · Question 107 of 131
The bat emits ultrasonic waves with very high frequencies pitched at 20-100 kilohertz, a frequency that is too high-pitched for humans to hear naturally. Their sounds are reflected in the environment, hitting various for RRB NTPC for RRC Level 1 4 objects and returning to the bat as echoes. Bats navigate and find insect prey using echolocation.
Source: RRB NTPC Memory Based Model Paper Based on Feb 11 Exam — IBPSGuide · memory-based
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