# Ultrasonic – 2

2. The infrasonic wave have a frequency of :

(a) More than 20 kHz
(b) Less than 20 Hz
(c) 200 Hz
(d) 20 Hz to 20 kHz

Explanation
Explanation : No answer description available for this question. Let us discuss.
 Subject Name : Physics Exam Name : JEE, NEET, IIT GATE, IIT JAM, UGC NET, UPSC, SSC, KVS, NVS Posts Name : Technical Assistant, Junior Scientist, Post Graduate Teacher, Lecturer
 Physics Books

## Related Posts

• Ultrasonic » Exercise - 1 1. The frequency of ultrasonic wave is : (a) More than 20 kHz (b) Less than 20 Hz (c) 200 Hz (d) 20 Hz to 20 kHz
Tags: ultrasonic, hz, khz, exercise, frequency, wave, physics
• Ultrasonic » Exercise - 14. The sound wave of frequency more than 109 is known as : (a) Ultrasonic (b) Infrasonic  (c) Hypersonics (d) Audible sound
Tags: ultrasonic, exercise, wave, frequency, infrasonic, physics
• Waves » Exercise - 114. A human being can hear a sound of frequency ranging _______ . (a) 20 Hz to 20 kHz (b) Below 20 Hz (c) Above 20 Hz (d) None of these
Tags: hz, exercise, frequency, khz, physics
• Waves » Exercise - 12. The unit of frequency is : (a) Newton (b) Hz (c) Watt  (d) Jaule
Tags: exercise, frequency, hz, physics
• Waves » Exercise - 14. Which of the following is a transverse wave : (a) Sound wave (b) Electromagnetic wave (c) both (a) and (b) (d) None of these
Tags: wave, exercise, physics