Home Physics Wave and Sound Mix Match the following. Column-IColumn-II(i) In…
Physics Wave and Sound Mix MCQ (Single Correct)

Match the following.

Column-I

Column-II

(i) In refraction

[A] Speed of wave does

not change

(ii) In reflection

[B] Wavelength is

Decreased

(iii) In refraction from

rarer to denser medium

[C] Frequency does not

Change

(iv) In reflection from a

denser medium

[D] Phase change of π

takes place

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Ans.

(i) [C]

(ii) [A],[C]

(iii) [B],[C]

(iv) [A],[C],[D]

Sol.

(i) Frequency does not change

(ii) Speed of wave does not change, Frequency does not change

(iii) Wavelength is Decreased, Frequency does not change

(iv) Speed of wave does not change, Frequency does not change, Phase change of π takes place

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