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TRUE OR FALSE
_______1. Light travel faster that sound
_______2. Sound travels faster in air than in water
_______3. Light is reflected when it changes speed.
_______4. The source of sound is a vibrating object.
_______5. Sound travels as electromagnetic waves.
_______6. Wavelength is the distance between two crests.
_______7. Light bounces off the surface when it is refracted.
_______8. Wavelength represents the rate of vibration of an object.
_______9. Light travels from one medium to another at constant speed.
_______10. The shorter the string of a guitar the higher the pitch of the sound created.


Sagot :

Answer:

1.true

2.true

3.false

4.true

5.false

6.false

7.true

8.false

9.true

10.true

Explanation:

sana makatulong : )