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1. Electromagnetic waves are examples of transverse waves. What is a transverse wave? (1 point) Oa wave that vibrates in a parallel direction to its
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Please help with with physics! Thank you very much for your time

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1. Electromagnetic waves are examples of transverse waves. What is a transverse wave? (1 point)
Oa wave that vibrates in a parallel direction to its motion
Oa wave that can move through a vacuum
Oa wave that travels at the speed of light c
Oa wave that vibrates in a perpendicular direction to its motion
2. An electromagnetic wave travels through a vacuum. What is the ratio E to B of the wave? (1 point)
Othe speed of light c
O the frequency f of the wave
Othe wavelength A of the wave
Othe angle between g and g
3. An electromagnetic wave of frequency 1021 Hz is best classified as
(1 point)
Oa gamma ray
Oa radio wave
Ovisible light
Oa microwave
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4 . Sunlight travels to earth along a straight path through space . The electric field { from one*
( 1 point
wave points in the direction shown in the diagram . What is the direction of the magnetic field
{ ? Assume that the diagram is on a flat screen .
In !
Earth
SUIT
Cinto the screen , or away from the viewer
Cout of the screen , or toward from the viewer
O down the screen, or opposite the direction of *{
Cup the screen , or the same direction as {
Screen Shot 2019-03-09 at 12.20.40 PM.png
5. Who devised the set of four equations that explain the propagation of electromagnetic waves ?" ( !)
OJames C. Maxwell
OIsaac Newton
OMichael Faraday
J Albert Einstein
6 . A physicist is investigating a beam of laser light of wavelength 5 50 am . The light strikes a
target that is 189 meters away from the source of the light . What is the travel time of the light
from the source to the target ?" Let the speed of light = = 3.00* 10' mi's .
03. 47 x 10# 8
01.83 x 10'S
06.30 x 10' S
04. 23 X 10' S
7. What makes up ultraviolet radiation ? '1 point !
_Electromagnetic waves of slightly longer wavelength than visible light
C a mixture of green , blue , and violet light
Ca mixture of red , orange , and yellow light
Oelectromagnetic waves of slightly greater frequency than visible light
Screen Shot 2019-03-09 at 12.20.47 PM.png
8. A distant galaxy is studied with a radio telescope , X-ray telescope , and optical (light ;
( 1 point )
telescope . The images from which set of telescopes must show false colors ?
Cradio telescope and X-ray telescope
Coptical telescope and X-ray telescope
Coptical telescope and radio telescope
Cradio telescope only
9. An electromagnetic wave travels through space with velocity. . In relation to the direction of ('1 point )
Is , what are the directions of the electric field { and magnetic field & of the wave ?
Both { and } are perpendicular to , and they are parallel to each other .
Both { and } are parallel to`. .
Both { and } are perpendicular to , and they are perpendicular to each other .
OF is parallel to " ; A is perpendicular to ".
10. What best describes the electromagnetic waves that make up sunlight ? "'1 point )
_^monochromatic light of one wavelength only*
Ca mixture of many wavelengths
C a mixture of two or three wavelengths

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