EXIT3

Which of the following is not a property of light?

• REFLECTION

• REFRACTION

• COMPRESSION

• DIFFRACTION

What is the speed of light in a vacuum?

• 300,000 km/s

• 150,000 km/s

• 3,000 km/s

• 300 km/s

When light travels from one medium to another and changes direction, it is called:

• REFLECTION

• REFRACTION

• DIFFRACTION

• DISPERSION

The bending of light as it passes through a prism is an example of:

• Reflection

• Refraction

• Absorption

• Scattering

Which color of light has the longest wavelength?

• RED

• BLUE

• GREEN

• YELLOW

When a light ray strikes a smooth surface and bounces back, it is called:

• REFLECTION

• REFRACTION

• DIFFRACTION

• DISPERSION

What is the phenomenon that causes a rainbow to form in the sky?

• REFLECTION

• REFRACTION

• DIFFRACTION

• DISPERSION

Which type of electromagnetic wave has the highest energy?

• RADIO WAVES

• MICROWAVES

• X RAYS

• INFRARED WAVES

What is the unit used to measure the intensity of light?

• JOULES

• WATTS

• LUX

• HERTZ

Light waves are transverse waves, which means that they vibrate:

•  Parallel to the direction of propagation

• Perpendicular to the direction of propagation

• Diagonally to the direction of propagation

• Randomly in all directions