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(d) less than 20 Hz
(d) more than 20,000 Hz
(c) Cat
Case study Get Hindi Medium and English Medium for Class 8 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-8/science/
Infrasonic sound waves have frequency
(d) less than 20 Hz
(d) less than 20 Hz
See lessUltrasonic sound waves have frequency
(d) more than 20,000 Hz
(d) more than 20,000 Hz
See lessWhich of the following animals can hear and produce ultra sound?
(c) Cat
(c) Cat
See lessNCERT Solution for a MCQ question Class 8 Science?
Case study Get Hindi Medium and English Medium for Class 8 Science to download. Please follow the link to visit website for first and second term exams solutions. https://www.tiwariacademy.com/ncert-solutions/class-8/science/
Case study Get Hindi Medium and English Medium for Class 8 Science to download.
See lessPlease follow the link to visit website for first and second term exams solutions.
https://www.tiwariacademy.com/ncert-solutions/class-8/science/