LIGHT WAVES

Which wave has the greatest amplitude?

• The blue wave
• The red wave

Which of the following is true about waves?

• When wavelength increases frequency increases
• When wavelength decreases, frequency increases
• When wavelength decreases, frequency decreases

When light strikes an object, it can do all of the following, except...

• Be reflected
• Be refracted
• Be produced
• Be absorbed 

Which type of electromagnetic radiation produces the heat we can feel coming from the toaster?

• Radio waves
• Infrared waves
• X-rays
• Gamma rays

Which type of electromagnetic radiation is the reason we need sunglasses and sunscreen to avoid getting a sunburn?

• X-rays
• Gamma Rays
• Ultraviolet waves
• Infrared waves

Which picture best shows the law of reflection?

• A
• B
• C
• D

Which is not correctly matched?

• 1 - Wavelength
• 2 - Crest
• 3- Compression
• 4 - Trough

The number of waves that passes a point in a certain amount of time.

• Amplitude
• Frequency
• Wavelength
• Magnitude 

Which of the following is NOT true?

• Radio waves have lowest frequency
• Ultraviolet waves have highest energy
• Gamma waves have highest frequency
• Radio waves have longest wavelengths

What can you see in a room that has no visible light?

• Only bright colored objects
• Only dark colored objects
• Only white objects
• Nothing at all