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MCQs on All Around Sounds PDF Download eBook
MCQ: Sounds of vehicles, aircrafts and machines are called
- artificial sounds
- natural sounds
- noise
- normal sounds
C
MCQ: For communication astronauts use radio because
- sound travels at very high speed in vacuum
- sound does not travel in vacuum
- vacuum repels sounds
- sound energy turns into light in vacuum
B
MCQ: Like light, sound cannot
- pass through transparent solids
- pass through air
- pass through liquids
- pass through vacuum
D
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
B
MCQ: Sound is a form of
- force
- power
- light
- energy
D