PHY-112, MCPQ Topic 4 Exam Questions
& Answers (Grade A+)
Which portion of the electromagnetic spectrum is used to sterilize
medical instruments? -
correct answer ✅UV light
What is the frequency of infrared light of 1.0 × 10-4 m wavelength?
-
correct answer ✅3.0 × 10^12 Hz
In a vacuum, electromagnetic radiation of short wavelengths ____ -
correct answer ✅travels as fast as radiation of long wavelengths.
When red light in vacuum is compared with violet light in vacuum,
____ -
correct answer ✅both travel at the same speed.
The relationship between frequency, wavelength, and speed holds
for light waves because ____ -
correct answer ✅all forms of electromagnetic radiation travel at a
single speed in a vacuum.
Snow reflects almost all of the light incident upon it. However, a
single beam of light is not reflected in the form of parallel rays. This
& Answers (Grade A+)
Which portion of the electromagnetic spectrum is used to sterilize
medical instruments? -
correct answer ✅UV light
What is the frequency of infrared light of 1.0 × 10-4 m wavelength?
-
correct answer ✅3.0 × 10^12 Hz
In a vacuum, electromagnetic radiation of short wavelengths ____ -
correct answer ✅travels as fast as radiation of long wavelengths.
When red light in vacuum is compared with violet light in vacuum,
____ -
correct answer ✅both travel at the same speed.
The relationship between frequency, wavelength, and speed holds
for light waves because ____ -
correct answer ✅all forms of electromagnetic radiation travel at a
single speed in a vacuum.
Snow reflects almost all of the light incident upon it. However, a
single beam of light is not reflected in the form of parallel rays. This
