sc 22
問題一覧
1
What is TRUE between the energies carried by radio wave and microwave?
Radio wave carries lesser amount of energy than microwave
2
Which of the following electromagnetic waves has the least frequency?
radio waves
3
Which of the following BEST describes the electromagnetic spectrum?
A continuum of electromagnetic waves
4
Satellite communications around the world are brought about by the utilization of
infrared
5
How much larger will your classroom seem to appear if the entire two opposite
walls of your classroom consists of plane mirrors
2x larger
6
An object is placed between a concave mirror and its focal point. What is the orientation of the image formed?
Virtual and erect
7
An image is formed at a screen positioned at the back of a concave lens. Describe
the image formed.
Virtual and erect
8
What kind of mirror is presented in the diagram?
concave mirror
9
What will be the orientation and type of the image produced by the mirror?
upright and virtual
10
Where will be the image of the object located?
between F and V
11
What is the height of the image formed by the mirror?
equal to the height of the object
12
Suppose you would like to start a fire by focusing sunlight onto a piece of paper, what material you are going to use
plane mirror
13
What kind of mirror is used by department stores to give a wider area and smaller image of the shoppers/buyers
convex mirror
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Francis Gabriel Rasonable · 24問 · 2年前reviewan sa ap
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24問 • 2年前reviewan sa tle
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Francis Gabriel Rasonable · 26問 · 2年前reviewan sa tle
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26問 • 2年前q 2
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Francis Gabriel Rasonable · 7問 · 2年前q 2
q 2
7問 • 2年前問題一覧
1
What is TRUE between the energies carried by radio wave and microwave?
Radio wave carries lesser amount of energy than microwave
2
Which of the following electromagnetic waves has the least frequency?
radio waves
3
Which of the following BEST describes the electromagnetic spectrum?
A continuum of electromagnetic waves
4
Satellite communications around the world are brought about by the utilization of
infrared
5
How much larger will your classroom seem to appear if the entire two opposite
walls of your classroom consists of plane mirrors
2x larger
6
An object is placed between a concave mirror and its focal point. What is the orientation of the image formed?
Virtual and erect
7
An image is formed at a screen positioned at the back of a concave lens. Describe
the image formed.
Virtual and erect
8
What kind of mirror is presented in the diagram?
concave mirror
9
What will be the orientation and type of the image produced by the mirror?
upright and virtual
10
Where will be the image of the object located?
between F and V
11
What is the height of the image formed by the mirror?
equal to the height of the object
12
Suppose you would like to start a fire by focusing sunlight onto a piece of paper, what material you are going to use
plane mirror
13
What kind of mirror is used by department stores to give a wider area and smaller image of the shoppers/buyers
convex mirror