Universe revision

What is starlight a form of?

• Sound waves

• Electromagnetic radiation

• Mechanical energy

• Chemical energy

Which type of electromagnetic radiation can be detected by feeling warmth?

• Visible light

• X-rays

• Infrared

• Radio waves

Which of the following is a short to ultra-short wave?

• Microwaves

• Visible light

• Radio waves

• Gamma rays

Which electromagnetic wave can be seen with our eyes?

• Infrared

• Visible light

• X-rays

• Gamma rays

What type of waves are microwaves classified as?

• Long waves

• Short waves

• Ultra-short waves

• Medium waves

What forms when white light passes through a prism?

• Continuous Spectrum

• Discrete Spectrum

• Absorption Spectrum

• Emission Spectrum

What is the process called when light is separated into different colors by a prism?

• Reflection

• Refraction

• Diffraction

• Absorption

What forms when light from a hot glowing gas passes through a prism?

• Dark line (absorption) spectrum

• Bright line (emission) spectrum

• Continuous spectrum

• Ultraviolet spectrum

What does the image above show?

• Emission spectrum of the sun

• Absorption spectrum of the sun

• Reflection spectrum of the sun

• Transmission spectrum of the sun

What are the darker lines seen on the slide known as?

• Emission lines

• Reflection lines

• Fraunhofer lines

• Transmission lines