# Electromagnetic Spectrum

## Quiz by Joie Torres

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20 questions
• Q1
Of the following, _________ has the maximum frequency.
UV Rays
Microwaves
Gamms Rays
30s
• Q2
In the Visible spectrum the ______ colour has the maximum wavelength.
Violet
Blue
RED
Yellow
30s
• Q3
Wavelength and frequency are related as : (c = speed of light)
c = wavelength * frequency
frequency = wavelength / c
wavelength = c * frequency
c = wavelength / frequency
30s
• Q4
Among four, highest wavelength is of
ultraviolet
gamma rays
infrared
30s
• Q5
Electromagnetic wave with lowest frequency is
infrared
gamma rays
ultraviolet
30s
• Q6
Electromagnetic waves travel
with medium
with medium and without medium
without medium
in a disturbed path
30s
• Q7
Electromagnetic spectrum comprises
latitudinal waves
transverse waves
longitudinal waves
transverse and longitudinal both
30s
• Q8
Which one of waves tans our skin and causes some substances to become fluorescent?
gamma rays
infrared and ultraviolet waves both
infrared waves
ultraviolet waves
30s
• Q9
Wave that cannot be seen through electromagnetic spectrum is
micro waves
infrared waves
ultraviolet waves
30s
• Q10
Wave with highest frequency is
infrared
ultraviolet
gamma rays
30s
• Q11
Waves having lowest wavelength is
gamma rays
infrared
ultraviolet
30s
• Q12
When medium of electromagnetic waves changes from air to water, their speed
may increase or decrease
remains same
increases
decreases
30s
• Q13
Faster among waves and rays is
waves
rays
both have no speed
both have equal speed
30s
• Q14
Electromagnetic waves obey law of
reflection only
refraction only
momentum
reflection and refraction both
30s
• Q15
When a police officer uses radar for speed control, the officer is using what kind of electromagnetic waves?
ultraviolet rays