Start learning →

A sound wave has a frequency of 35 kHz in air. It is called

Ainfrasound
Baudible sound
Ca radio wave
Dultrasound
Answer & Solution
Correct answer: D. ultrasound
Any sound above 20,000 Hz is ultrasound, and 35 kHz exceeds that limit.
Practise this question with Quill — ICSE Class 10 →

Keep practising Chemical Changes, Reactions & Atmospheric Pollution

Browse all Chemical Changes, Reactions & Atmospheric Pollution questions for ICSE Class 10, or explore more Chemistry topics.

Start a Chemical Changes, Reactions & Atmospheric Pollution lesson →