The scientist who proposed the planetary model of atom was MCQ with Answer and Explanation
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Question #1
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A nucleus of mass number A and atomic number Z contains
Question #2
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Which of the following is not a transverse wave?
Question #3
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Which characteristic of a sound wave determines its pitch?
Correct Answer: Option D
Explanation:
The pitch of a sound is a subjective sensation that is determined primarily by the frequency of the sound wave. Higher frequency waves are perceived as high-pitched sounds (like a whistle), while lower frequency waves are perceived as low-pitched sounds (like a bass drum). Amplitude determines the loudness of the sound.
The pitch of a sound is a subjective sensation that is determined primarily by the frequency of the sound wave. Higher frequency waves are perceived as high-pitched sounds (like a whistle), while lower frequency waves are perceived as low-pitched sounds (like a bass drum). Amplitude determines the loudness of the sound.
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