Light

Emission of energy in the form of an EM wave is called

• refraction

• radiation

• reflection

• diffraction

An object appears white because

• all colors are absorbed

• all colors are reflected

• the color white is absorbed

• the color white is reflected

Which of the following carry the most energy?

• X-rays

• Radio waves

• Visible light

• Microwaves

Shadows have blurry edges due to

• diffraction

• refraction

• reflection

• scattering

Rainbows happen because of

• diffraction

• reflection

• refraction

• interference

EM waves are classified according to their

• speed and reactivity

• reflection and refraction

• visibility and medium

• frequency and wavelength

Photons are released when

• electrons return to their original, stable positions

• atoms absorb energy

• protons emit an electric field

• electrons jump to a higher level

_______________ light has the shortest wavelength.

• Violet

• Red

• Green

• Blue

The primary colors of light are

• red, orange, green

• magenta, cyan, yellow

• red, blue, green

• blue, indigo, violet

The sun emits ______________ waves that make you feel warm.

• micro

• infrared

• UV

• visible light