Classroom Content

Lecture by Bandana Mishra held on 26 Jan, 2022

SOUND MULTIPLE CHOICE QUESTIONS 1. Eardrum is a part of a. Sound producing organ b. Skeletal system c. Hearing organ d. Reproductive organ 2. The hearing range of human ear is a. 20 Hz to 20,000 Hz b. Less than20 Hz c. More than 20,000 Hz d. 20 Hz to 25,000 Hz 3. The voice box is called: a. Stomach b. Heart c. Larynx d. Mouth 4. Large amplitude of sound vibrations will produce: a. Loud sound b. Meak sound c. Slow sound d. Shreak 5. The pitch of sound depends on a. frequency b. amplitude c. both of these d. none of these 6. Sound is kind of a. Work b. Energy c. Force d. None 7. To an fro motion of an object is called a. Waves b. Amplitude c. Vibration d. All of the above 8. Voice box or larynx of human process a. Sound b. Wind c. Loudness d. None 9. Sound propagates maximum in a. Gas b. Liquid c. Solid d. All 10. Noise pollution is harmful for a. Human b. Cat c. Bird d. All

Dear students kindly complete the exercise questions from chapter 13 in your science copy

Complete gk questions textual inside as well as outside questions.

Inside questions

Multiple choice questions

Short answer type questions

Kindly solve the questions given on the board