Sound

Sound is a form of ?

• energy

• vibrations

• all above

an object that doesn't vibrate cant produce

• sound

• energy

• heat

you will see a flash of lightning before you hear the thunder that goes with it because-

• lightning travels through solid that's why it travels faster causing us to see it first

• thunder occurs much later than the lightning

• sounds travels slower than light

• wrong answer

what is medium

• the material which affects sound by stopping or transferring it

• moderate sound

• not too much not too less frequency

which sound has higher frequency

• 
• 
• 
• 

sound travels by which type of wave

• longitudinal

• transverse

• none

• both

if you keep ping pong ball on a loud speaker what would happen

• they will transfer the sound better as they are solid.

• they will move up and down due to the vibration

• there would have no effect on it as sound has no force

witch animal has highest frequency

• cat

• dog

• bat

• lion

what is a vacuum?

• the way sound is produced

• how long it takes for sound to travel

• an objects which absorbs sound

• a place with no matter

what causes sound waves

• friction

• Amplitude

• frequency

• vibration