G7 Science M7 W3 (Quiz)

What are the dual properties of light?

• wave

• particle

• atom

• energy

The color of an object is the color of the light the object ​ (a)   .

• emits
• absorbs
• stored inside
• is made of

Which color of the visible light spectrum has the shortest wavelength?

• blue

• red

• green

• yellow

There are materials that absorbs light completely. These type of materials are said to be ​ (a)   .

• Opaque
• Translucent
• Transparent

The theory which explains that light travels in a straight line called rays.

• Corpuscles theory

• Undulatory theory

The theory which explains that light has a wave motion.

• Corpuscles theory

• Undulatory theory

Light travels in a speed of ​ ​ (a)  

​ (a)   are the objects that emit or send off their own light.

• Luminous objects
• Nonluminous objects
• Photometry
• Opaque
• Translucent
• Transparent

He challenged the wave theory as he hypothesized that the vibrating

electrons in incandescent lights could only have energies restricted to certain values.

• Thomas Young

• Albert Einstein

• Max Planck

• Louis Victor de Broglie

He published a Nobel Prize-winning paper, which states that light is

composed of bundles of wave energy called photons.

• Thomas Young

• Albert Einstein

• Max Planck

• Louis Victor de Broglie