Ultrasonic – 4

4. The sound wave of frequency more than 10⁹ is known as :

(a) Ultrasonic
(b) Infrasonic
(c) Hypersonics
(d) Audible sound

Answer

Answer : (c)

Explanation

Explanation : No answer description available for this question. Let us discuss.

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Ultrasonic - 2
Ultrasonic » Exercise - 12. 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
Tags: ultrasonic, exercise, infrasonic, wave, frequency, physics
Ultrasonic - 3
Ultrasonic » Exercise - 13. SONAR stands for : (a) Sound not radiated (b) Sound obstacles and radiations (c) Sound Navigation and Ranging (d) None of these
Tags: sound, ultrasonic, exercise, physics
Ultrasonic - 1
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, exercise, frequency, wave, physics
Ultrasonic - 5
Ultrasonic » Exercise - 15. The time gap between the two sounds for an echo is : (a) 1 sec. (b) 1/10 sec. (c) 1 min. (d) None of these
Tags: ultrasonic, exercise, physics
Waves - 4
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, sound, physics

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