Chapter 9 lesson 3

In this figure. A is ____________

• Angle of incidence

• angle of reflection

• normal

In this figure. B is ________________

• Angle of incidence

• angle of reflection

• normal

In this figure. C is ______________

• angle of incidence

• angle of reflection

• normal

Which wave behavior is illustrated in the figure?

• reflection

• refraction

• diffraction

• interference

Waves of lower _____________ are diffracted more than waves of higher ones.

• wavelength

• frequency

• amplitude

• speed

the moon doesn’t produce light by itself. This sentence is due to the ______________ behavior of light.

• reflection

• refraction

• diffraction

• interference

   Echo happens due to ______________ behavior of sound.

• reflection

• refraction

• diffraction

• interference

A tree in the path of sunlight creates a shadow due to _______________

• reflection

• refraction

• diffraction

• interference

Light waves diffract ____________ than sound waves because they have ________ wavelength than sound waves.

• more-shorter

• more- longer

• less- shorter

• less-longer

this figure shows ____________ behavior of waves

• reflection

• refraction

• diffraction

• interference