两个相干源产生波具有3b chmc.pdfVIP

3bchmc_h

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3261001

Thewavesproducedbytwocoherentsourcesmusthave

(1)thesameamplitude.

(2)thesamefrequency.

(3)aconstantphasedifference.

A(1)and(2)only

B(1)and(3)only

C(2)and(3)only

D(1),(2)and(3)

C

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3261002

Whichofthefollowingstatementsaboutwaterwavesarecorrect?

(1)Theyaretransversewaves.

(2)Theirspeedsdependonthedepthofwater.

(3)Wateristransferredfromoneplacetoanotherduetothepropagationof

waterwaves.

A(1)and(2)only

B(1)and(3)only

C(2)and(3)only

D(1),(2)and(3)

A

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3261003

Acircularwaveisgeneratedatthecentreofarippletank.Ifthedepthofthetank

increasesfromthecentretotheleft-handsidewhilethedepthoftheright-hand

sideremainsconstant,whichofthefollowingpatternswillbeobserved?

1

3bchmc_h

AB

CD

A

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3261004

Inthefigurebelow,aplanewavetravelstowardsadouble-slit.

Whichofthefollowingdiagramsbestshowsthewav