Question

These images represent waves.

Which wave has the lowest frequency?

A.


B.


C.


D.

Answer 1

https://static.k12.com/calms_media/media/1366500_1367000/1366612/1/6a8d1db2b9fc5381a9370d6e346187466a063b9d/MS_PHYS_SCI_287826_C.jpg

Answer 2

https://static.k12.com/calms_media/media/1366500_1367000/1366611/1/720ee2308928dd53d1aa004086ee60eec392c92f/MS_PHYS_SCI_287826_B.jpg

Answer 3

https://static.k12.com/calms_media/media/1366500_1367000/1366613/1/17d1927c4c86e61caec335b713c6d18ad5b25a51/MS_PHYS_SCI_287826_D.jpg

Answer 4

help

Answer 5

Frequency is the number of waves per second.

Answer 6

@wes_is_here @dolphin1998 @dm91 @Englishguy

Answer 7

i know that

Answer 8

b

Answer 9

is it

Answer 10

or a

Answer 11

i am confused

Answer 12

Take the entire line of x axis to equal 1 second.
It is b, as it has 1.5 waves for the whole line, whereas others have higher number of waves at the same interval.

Answer 13

@Queen2002 !@haleyelizabeth2017 @EES @Howard-Wolowitz H#@jessicawade @jrc5101520 @Jaynator495 @justinlcamerato

Answer 14

so it b

Answer 15

@Hoslos it is b

Answer 16

@Hoslos

Answer 17

@Hoslos answer me

Answer 18

are you there

Answer 19

Yes, b.

Answer 20

ok

Answer 21

i have more

Answer 22

Coil the wire around the nail. Connect one end of the wire to the positive battery terminal. Connect the other end of the wire to the negative battery terminal.

What has been made by making this series circuit?



A.
a galvanometer

B.
an electromagnet

C.
a stronger battery

D.
an electric nail

Answer 23

b

Answer 24

Correct. It generates electricity by approaching metal and induced voltage.

Answer 25

ok

Answer 26

A compass has wire wound over its face and around its back side. What type of instrument is this and what is it used for?

A.
It is a simple galvanometer that can detect current in the wire.

B.
It is a simple voltmeter that can measure the number of electrons in the wire.

C.
It is a simple electrical meter that can measure the resistance in the wire.

D.
It is a simple electromagnet that can detect the magnetic field in the wire.

Answer 27

a

Answer 28

@Hoslos

Answer 29

I am not aware of this question, unfortunately.

Answer 30

wait

Answer 31

i will put another one

Answer 32

Use this concave lens with the arrows representing beams of light to answer this question.

Which illustrates how light will behave when it strikes a concave lens?
Three parallel rays of light strike a concave lens. One at the top, one in the middle, and one at the bottom.



A.


B.


C.


D.
Question Resources

Answer 33

https://static.k12.com/calms_media/media/1366500_1367000/1366633/1/8d8e85789b0f8ce4a6b7f397099dfb4fb7f29a44/MS_PHYS_SCI_287831.jpg

Answer 34

https://static.k12.com/calms_media/media/1366500_1367000/1366637/1/b98b36a397e9fb1449f54675e88c806a8011a0a0/MS_PHYS_SCI_287831_D.jpg

Answer 35

https://static.k12.com/calms_media/media/1366500_1367000/1366634/1/d232c942df14c33e2f7f611f7897f60c8ebe442b/MS_PHYS_SCI_287831_A.jpg

Answer 36

https://static.k12.com/calms_media/media/1366500_1367000/1366635/1/fc4dc2518977e206a17f4483020570f00cdac284/MS_PHYS_SCI_287831_B.jpg

Answer 37

https://static.k12.com/calms_media/media/1366500_1367000/1366636/1/810206628181e997c20ffeb82e1016437daa4fab/MS_PHYS_SCI_287831_C.jpg

Answer 38

d the last one

Answer 39

@Hoslos

Answer 40

are you there

Answer 41

@TrojanPoem @Tamara7301 @CShrix

Answer 42

@Hoslos

Answer 43

Not aware of this as well.

Answer 44

@TrojanPoem can you check them

Answer 45

help

Answer 46

please i need to finsh it right now

Answer 47

@TrojanPoem

Answer 48

the last one

Answer 49

come on

Answer 50

@TrojanPoem

Answer 51

help

Answer 52

I think a, but not sure.

Answer 53

the one about lens

Answer 54

is it

Answer 55

i got 85%

Answer 56

that is a medal for you

Answer 57

bye