मराठी

Assertion (A): Compressions and rarefactions move through the medium. Reason (R): Individual particles of the medium continuously move forward with the wave. Choose the correct statement:

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प्रश्न

Assertion (A): Compressions and rarefactions move through the medium.

Reason (R): Individual particles of the medium continuously move forward with the wave.

Choose the correct statement:

पर्याय

  • Both A and R are true, but R is not the correct explanation of A.

  • Both A and R are true, and R is the correct explanation of A.

  • A is true, but R is false.

  • A is false, but R is true.

MCQ
विधान आणि तर्क
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उत्तर

A is true, but R is false.

Explanation:

The assertion is true because compressions and rarefactions travel through the medium as a sound wave. The reason is false because the particles of the medium only vibrate about their mean positions; they do not continuously move forward with the wave.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 10: Sound Waves: Characteristics and Applications - Intext Questions [पृष्ठ १९१]

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एनसीईआरटी Science Exploration [English] Class 9
पाठ 10 Sound Waves: Characteristics and Applications
Intext Questions | Q 4. | पृष्ठ १९१
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