WorksheetsSecond Quarter Online Assessment Part 1
Total questions: 15
Worksheet time: 11mins
Which of the following sets of EM radiation can harm your body cells?
gamma ray, ultraviolet ray, X-ray
light, ultraviolet, X-ray
infrared, microwaves, ultraviolet
gamma ray, microwaves, infrared
What kind of wave is very dangerous, but have been used to kill cancer cells?
gamma rays
infrared
radio waves
visible light
Among the following forms of the EM spectrum, which waves do not have enough energies to damage the body cells?
gamma ray and infrared
radio wave and visible light
gamma ray and ultraviolet
X-ray and ultraviolet
How many of the EM waves are visible?
none out of seven EM waves
most of it
all of the EM waves
only one out of seven EM waves
Which kind of wave causes the fluorescent chemicals to glow in sunlight?
microwave
ultraviolet
gamma ray
visible light
These are waves that are created as a result of vibrations between an electric field and magnetic field.
electromagnetic spectrum
electromagnetic wave
microwave
radio wave
Electromagnetic waves are produced by _______________.
any disturbance
currents
vibrating charge
voltage source
Which two colors of light lie at the beginning and end of the visible spectrum?
red and violet
red and yellow
yellow and violet
yellow and green
This type of EM wave has a wavelength similar to the size of PBA basketball court (28 meters).
microwave
radio wave
ultraviolet
visible light
Which of the following electromagnetic waves has the LEAST wavelength range?
infrared
ultraviolet
visible light
x-ray
It is a disturbance in space.
(a)
It is the distance from the midpoint to the highest ( or lowest) point of a wave.
(a)
It refers to the extent or the limits between which variation is possible.
(a)
It is the distance between two successive identical parts of a wave.
(a)
It refers to the number of waves produced in one second.
(a)
