Interference Of Wave

1. Interference can occur for

Water waves only

Light waves only

Sound waves only

Light and sound waves only

All types of waves

2. Destructive interference occurs when

The crest of one wave meets the trough of another wave

The crests of two waves overlap

Two waves of the same colour overlap

All the above

None of the above

3. Two stereo speakers can be set side by side so there are some places in front of them where sound is very diminished.

True

False

4. An interfence pattern is produced when

Two or more light waves meet

The crests of two waves meet

The troughs of two waves meet

All the above

5. Constructive interference occurs when

The crest of one wave meets the trough of another wave

Two waves of the same colour overlap

The crests of two waves overlap

All the above

None of the above

6. Colours aeens when gasoline forms a thin film on water are a demonstration of

Refraction

Diffraction

Interference

Dispersion