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Grade 7 Science MCQs

Grade 7 Science MCQ PDF - Chapter

Sound Waves Multiple Choice Questions and Answers PDF p. 5

Practice Sound waves multiple choice questions and answers, sound waves quiz answers PDF to solve grade 7 science worksheet 5 for online courses. Practice All Around Sounds MCQs, sound waves quiz questions and answers for online education programs. Sound Waves MCQ PDF: all around sounds, musics and musical sound, sound waves and noise, sound and vacuum, musical instruments test prep for online degree programs.

"Vibrations are caused due to" Multiple Choice Questions (MCQ) on sound waves with choices change of pressure in air, change of temperature of air, effect of humidity on air, and level of heat in air for online education programs. Solve all around sounds quiz questions for school certificate programs for online school classes.

MCQs on Sound Waves Quiz

MCQ: Vibrations are caused due to

change of temperature of air
change of pressure in air
effect of humidity on air
level of heat in air

MCQ: The only thing of a note that can vary, is

amplitude
length
wave
type

MCQ: Loud noise can

damage our ears
make us ill
disturb our sleep
interrupt conversation

MCQ: We cannot hear alarm of a clock if there is

vacuum in the jar
air in the jar
liquid in the jar
solid in the jar

MCQ: The third effecter of sound created by vibrating strings is

angle of strings
thickness of strings
material of strings
height of strings