Answered

Welcome to Westonci.ca, your one-stop destination for finding answers to all your questions. Join our expert community now! Get quick and reliable solutions to your questions from a community of experienced professionals on our platform. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

I. Choose the correct answer:
1. The voice box is also called as
(a) stomach (b) heart (c) larynx (d) mouth
2.Sound is a kind of
(a) work (b) energy(c) force (d) pressure
3. The hearing range of human ear is
(a) 20 Hz to 20,000 Hz (b) less than 20 Hz (c) more than 20,000 Hz (d) 20 Hz to 25,000 Hz
4. Pitch of sound is determined by its
(a) frequency (b) speed (c) amplitude (d) loudness
5. The frequency of subsonic sound is
(a) more than 20 Hz (b) 100 Hz (c) less than 20 Hz (d) more than 20,000 Hz
6. Cochlea is a part of
(a) hearing organ (b) sound producing organ(c) muscular organ (d) air pollution
7. Sound cannot travel through
(a) air (b) water (c) air (d) vacuum
8.The sound in the audible range is called
(a) ultrasonic sound (b) sonic sound (c) subsonic sound (d) light sound

Sagot :

astha8794

Answer:

1. c

2. b

3. a

4. a

5. a

6. a

7. d

8. b

We appreciate your time. Please revisit us for more reliable answers to any questions you may have. Thanks for using our service. We're always here to provide accurate and up-to-date answers to all your queries. We're glad you visited Westonci.ca. Return anytime for updated answers from our knowledgeable team.