Answered

Type TRUE if the statement is correct. If FALSE, CHANGE the underlined word to make it correct. TYPE IN your answers in the blank provided for each number.


3.
1. Light is both a particle and a wave.

2. Mechanical waves can travel through a vacuum.

3. In EM waves, the continuous range of frequencies is known as the electromagnetic spectrum.

4. An echo is made when a sound wave bounces off a surface and is refracted back to you.

5. When a lightning strikes, we see first the structure then hear the thunder. This is because the speed of sound is faster than the speed of light.

6. When light from a source cannot pass through a material, then a shadow is formed.

7. Opaque objects do not only light to pass through but also reflect light.

Sagot :

MAJOJAVIER2GO

Answer:

1 true

2 true

3 false.

4true.

5 false

6true

7true

Explanation:

hope it helps (pa brainlieast nmn Lodz HEHE) TY!

LEONALYNTAYONEGO

Answer:

1. True

2. False

3. True

4. True

5. False

6. True

7. False

Explanation:

1. True

2. False. Mechanical waves CANNOT travem through a vacuum

3. True

4. True

5. False. Light travels faster than the sound

6. True

7. False. The statement means light passes AND reflect lights. This is wrong. We cant see through an opaque object. Light does NOT pass but it reflects light.

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