Particles of a solid mainly ______. / ठोस के कण मुख्यतः ______।
Answer and explanation are free to read — no sign-in required. / उत्तर और व्याख्या पढ़ने के लिए साइन-इन आवश्यक नहीं है।
Correct Answer / सही उत्तर
B. oscillate about their mean positions / अपनी माध्य स्थिति के आसपास दोलन करते हैं
Explanation / व्याख्या
Solid particles cannot move freely but vibrate or oscillate around their mean positions. / ठोस के कण स्वतंत्र रूप से नहीं घूमते बल्कि अपनी माध्य स्थिति के आसपास कंपन या दोलन करते हैं। ---
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