声波波长越长能量越大(次声波),但电磁波波长越长能量越小? 初中阶 段 物理题中 怎么判断超声波 次声波 电磁波
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=======================
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\u3000\u3000\u25c6X\u5c04\u7ebf\u7528\u4e8eCT\u7167\u76f8
\u3000\u3000\u25c6\u4f3d\u739b\u5c04\u7ebf\u7528\u4e8e\u6cbb\u7597,\u4f7f\u539f\u5b50\u53d1\u751f\u8dc3\u8fc1\u4ece\u800c\u4ea7\u751f\u65b0\u7684\u5c04\u7ebf\u7b49.
\u3000\u3000\u25c6\u65e0\u7ebf\u7535\u6ce2\u3002\u65e0\u7ebf\u7535\u5e7f\u64ad\u4e0e\u7535\u89c6\u90fd\u662f\u5229\u7528\u7535\u78c1\u6ce2\u6765\u8fdb\u884c\u7684\u3002\u5728\u65e0\u7ebf\u7535\u5e7f\u64ad\u4e2d\uff0c\u4eba\u4eec\u5148\u5c06\u58f0\u97f3\u4fe1\u53f7\u8f6c\u53d8\u4e3a\u7535\u4fe1\u53f7\uff0c\u7136\u540e\u5c06\u8fd9\u4e9b\u4fe1\u53f7\u7531\u9ad8\u9891\u632f\u8361\u7684\u7535\u78c1\u6ce2\u5e26\u7740\u5411\u5468\u56f4\u7a7a\u95f4\u4f20\u64ad\u3002\u800c\u5728\u53e6\u4e00\u5730\u70b9\uff0c\u4eba\u4eec\u5229\u7528\u63a5\u6536\u673a\u63a5\u6536\u5230\u8fd9\u4e9b\u7535\u78c1\u6ce2\u540e\uff0c\u53c8\u5c06\u5176\u4e2d\u7684\u7535\u4fe1\u53f7\u8fd8\u539f\u6210\u58f0\u97f3\u4fe1\u53f7\uff0c\u8fd9\u5c31\u662f\u65e0\u7ebf\u5e7f\u64ad\u7684\u5927\u81f4\u8fc7\u7a0b\u3002\u800c\u5728\u7535\u89c6\u4e2d\uff0c\u9664\u4e86\u8981\u50cf\u65e0\u7ebf\u5e7f\u64ad\u4e2d\u90a3\u6837\u5904\u7406\u58f0\u97f3\u4fe1\u53f7\u5916\uff0c\u8fd8\u8981\u5c06\u56fe\u50cf\u7684\u5149\u4fe1\u53f7\u8f6c\u53d8\u4e3a\u7535\u4fe1\u53f7\uff0c\u7136\u540e\u4e5f\u5c06\u8fd9\u4e24\u79cd\u4fe1\u53f7\u4e00\u8d77\u7531\u9ad8\u9891\u632f\u8361\u7684\u7535\u78c1\u6ce2\u5e26\u7740\u5411\u5468\u56f4\u7a7a\u95f4\u4f20\u64ad\uff0c\u800c\u7535\u89c6\u63a5\u6536\u673a\u63a5\u6536\u5230\u8fd9\u4e9b\u7535\u78c1\u6ce2\u540e\u53c8\u5c06\u5176\u4e2d\u7684\u7535\u4fe1\u53f7\u8fd8\u539f\u6210\u58f0\u97f3\u4fe1\u53f7\u548c\u5149\u4fe1\u53f7\uff0c\u4ece\u800c\u663e\u793a\u51fa\u7535\u89c6\u7684\u753b\u9762\u548c\u5587\u53ed\u91cc\u7684\u58f0\u97f3\u3002
\u3000\u3000\u7535\u78c1\u6ce2\u7684\u7535\u573a(\u6216\u78c1\u573a)\u968f\u65f6\u95f4\u53d8\u5316\uff0c\u5177\u6709\u5468\u671f\u6027\u3002\u5728\u4e00\u4e2a\u632f\u8361\u5468\u671f\u4e2d\u4f20\u64ad\u7684\u8ddd\u79bb\u53eb\u6ce2\u957f\u3002\u632f\u8361\u5468\u671f\u7684\u5012\u6570\uff0c\u5373\u6bcf\u79d2\u949f\u632f\u52a8(\u53d8\u5316)\u7684\u6b21\u6570\u79f0\u9891\u7387\u3002
\u3000\u3000\u5f88\u663e\u7136\uff0c\u6ce2\u957f\u4e0e\u9891\u7387\u7684\u4e58\u79ef\u5c31\u662f\u6bcf\u79d2\u949f\u4f20\u64ad\u7684\u8ddd\u79bb\uff0c\u5373\u6ce2\u901f\u3002\u4ee4\u6ce2\u957f\u4e3a\u03bb\uff0c\u9891\u7387\u4e3af\uff0c\u901f\u5ea6\u4e3aV\uff0c\u5f97\uff1a \u03bb=V/f\u6ce2\u957f\u5165\u7684\u5355\u4f4d\u662f\u7c73(m)\uff0c\u901f\u5ea6\u7684\u5355\u4f4d\u662f\u7c73/\u79d2(m/sec)\uff0c\u9891\u7387\u7684\u5355\u4f4d\u4e3a\u8d6b\u5179(Hertz\uff0cHz)\u3002 \u6574\u4e2a\u7535\u78c1\u9891\u8c31\uff0c\u5305\u542b\u4ece\u7535\u6ce2\u5230\u5b87\u5b99\u5c04\u7ebf\u7684\u5404\u79cd\u6ce2\u3001\u5149\u3001\u548c\u5c04\u7ebf\u7684\u96c6\u5408\u3002\u4e0d\u540c\u9891\u7387\u6bb5\u843d\u5206\u522b\u547d\u540d\u4e3a\u65e0\u7ebf\u7535\u6ce2(3KHz\u20143000GHz)\u3001\u7ea2\u5916\u7ebf\u3001\u53ef\u89c1\u5149\u3001\u7d2b\u5916\u7ebf\u3001X\u5c04\u7ebf\u3001\u03b3\u5c04\u7ebf(\u4f3d\u9a6c\u5c04\u7ebf)\u548c\u5b87\u5b99\u5c04\u7ebf\u3002 \u572819\u4e16\u7eaa\u672b\uff0c\u610f\u5927\u5229\u4eba\u9a6c\u53ef\u5c3c\u548c\u4fc4\u56fd\u4eba\u6ce2\u6ce2\u592b\u540c\u57281895\u5e74\u8fdb\u884c\u4e86\u65e0\u7ebf\u7535\u901a\u4fe1\u8bd5\u9a8c\u3002\u5728\u6b64\u540e\u7684100\u5e74\u95f4\uff0c\u4ece3KHz\u76f4\u52303000GHz\u9891\u8c31\u88ab\u8ba4\u8bc6\u3001\u5f00\u53d1\u548c \u9010\u6b65\u5229\u7528\u3002\u6839\u636e\u4e0d\u540c\u7684\u6301\u64ad\u7279\u6027\uff0c\u4e0d\u540c\u7684\u4f7f\u7528\u4e1a\u52a1\uff0c\u5bf9\u6574\u4e2a\u65e0\u7ebf\u7535\u9891\u8c31\u8fdb\u884c\u5212\u5206\uff0c\u5171\u52069\u6bb5\uff1a\u751a\u4f4e\u9891(VLF\uff09\u3001\u4f4e\u9891(LF)\u3001\u4e2d\u9891(MF)\uff0c\u9ad8\u9891(HF)\u3001\u751a \u9ad8\u9891(VHF)\\u7279\u9ad8\u9891(uHF)\\u8d85\u9ad8\u9891(sHF)\\u6781\u9ad8\u9891(EHF)\u548c\u81f3\u9ad8\u9891\uff0c\u5bf9\u5e94\u7684\u6ce2\u6bb5\u4ece\u751a(\u8d85)\u957f\u6ce2\u3001\u957f\u6ce2\u3001\u4e2d\u6ce2\u3001\u77ed\u6ce2\u3001\u7c73\u6ce2\u3001\u5206\u7c73\u6ce2\u3001\u5398\u7c73\u6ce2\u3001 \u6beb\u7c73\u6ce2\u548c\u4e1d\u7c73\u6ce2(\u540e4\u79cd\u7edf\u79f0\u4e3a\u5fae\u6ce2)\u3002\u89c1\u4e0b\u8868\u3002\u65e0\u7ebf\u7535\u9891\u8c31\u548c\u6ce2\u6bb5\u5212\u5206
\u3000\u3000\u6bb5\u53f7 \u9891\u6bb5\u540d\u79f0 \u9891\u6bb5\u8303\u56f4\uff08\u542b\u4e0a\u9650\u4e0d\u542b\u4e0b\u9650\uff09 \u6ce2\u6bb5\u540d\u79f0 \u6ce2\u957f\u8303\u56f4\uff08\u542b\u4e0a\u9650\u4e0d\u542b\u4e0b\u9650\uff09
\u3000\u30001 \u751a\u4f4e\u9891\uff08VLF\uff09 3\uff5e30\u5343\u8d6b\uff08KHz\uff09 \u751a\u957f\u6ce2 100\uff5e10km
\u3000\u30002 \u4f4e\u9891\uff08LF\uff09 30\uff5e300\u5343\u8d6b\uff08KHz\uff09 \u957f\u6ce2 10\uff5e1km
\u3000\u30003 \u4e2d\u9891\uff08MF\uff09 300\uff5e3000\u5343\u8d6b\uff08KHz\uff09 \u4e2d\u6ce2 1000\uff5e100m
\u3000\u30004 \u9ad8\u9891\uff08HF\uff09 3\uff5e30\u5146\u8d6b\uff08MHz\uff09 \u77ed\u6ce2 100\uff5e10m
\u3000\u30005 \u751a\u9ad8\u9891\uff08VHF\uff09 30\uff5e300\u5146\u8d6b\uff08MHz\uff09 \u7c73\u6ce2 10\uff5e1m
\u3000\u30006 \u7279\u9ad8\u9891\uff08UHF\uff09 300\uff5e3000\u5146\u8d6b\uff08MHz\uff09 \u5206\u7c73\u6ce2 \u5fae\u6ce2 100\uff5e10cm
\u3000\u30007 \u8d85\u9ad8\u9891\uff08SHF\uff09 3\uff5e30\u5409\u8d6b\uff08GHz\uff09 \u5398\u7c73\u6ce2 10\uff5e1cm
\u3000\u30008 \u6781\u9ad8\u9891\uff08EHF\uff09 30\uff5e300\u5409\u8d6b\uff08GHz\uff09 \u6beb\u7c73\u6ce2 10\uff5e1mm
\u3000\u30009 \u81f3\u9ad8\u9891 300\uff5e3000\u5409\u8d6b\uff08GHz\uff09 \u4e1d\u7c73\u6ce2 1\uff5e0.1mm
\u7f16\u8f91\u672c\u6bb5
\u7535\u78c1\u6ce2\u6cbb\u7597\u5e94\u7528
\u3000\u3000\u201c\u7279\u5b9a\u7535\u78c1\u6ce2\u8c31\u201d\uff08TDP\uff09\u662f\u7531\u7279\u5b9a\u7684\u52a0\u70ed\u5668\u5bf9\u6cbb\u7597\u677f\u4ea7\u751f\u7684\u6ce2\u957f\u8303\u56f4\u57282-25\u03bcm\uff0c\u5f3a\u5ea6\u8303\u56f4\uff0828-35mw/cm²\uff09\u5185\u5206\u5e03\u7684\u7279\u5b9a\u7535\u78c1\u6ce2\uff0c\u5f53\u4eba\u4f53\u5339\u914d\u63a5\u6536\u540e\u4e0e\u4f53\u5185\u7ec6\u80de\u6240\u542b\u76f8\u540c\u7269\u8d28\u4ea7\u751f\u8c10\u632f\uff0c\u56e0\u800c\u53ef\u589e\u5f3a\u5fae\u5faa\u73af\u4f5c\u7528\uff0c\u4fc3\u8fdb\u65b0\u9648\u4ee3\u8c22\uff0c\u4ea7\u751f\u5bf9\u4eba\u4f53\u75c5\u53d8\u7684\u4fee\u590d\uff0c\u4f7f\u75c5\u60a3\u8005\u80fd\u8fc5\u901f\u5eb7\u590d\uff0c\u975e\u75c5\u60a3\u8005\u80fd\u63d0\u9ad8\u81ea\u8eab\u7684\u62b5\u6297\u80fd\u529b\u3002
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\u7f16\u8f91\u672c\u6bb5
\u7535\u78c1\u6ce2\u7684\u4f20\u5bfc
\u3000\u3000\u7535\u78c1\u6ce2\u4e3a\u6a2a\u6ce2\u3002\u7535\u78c1\u6ce2\u7684\u78c1\u573a\u3001\u7535\u573a\u53ca\u5176\u884c\u8fdb\u65b9\u5411\u4e09\u8005\u4e92\u76f8\u5782\u76f4\u3002\u632f\u5e45\u6cbf\u4f20\u64ad\u65b9\u5411\u7684\u5782\u76f4\u65b9\u5411\u4f5c\u5468\u671f\u6027\u4ea4\u53d8\uff0c\u5176\u5f3a\u5ea6\u4e0e\u8ddd\u79bb\u7684\u5e73\u65b9\u6210\u53cd\u6bd4\uff0c\u6ce2\u672c\u8eab\u5e26\u52a8\u80fd\u91cf\uff0c\u4efb\u4f55\u4f4d\u7f6e\u4e4b\u80fd\u91cf\u529f\u7387\u4e0e\u632f\u5e45\u7684\u5e73\u65b9\u6210\u6b63\u6bd4\u3002
\u3000\u3000\u5176\u901f\u5ea6\u7b49\u4e8e\u5149\u901fc\uff08\u6bcf\u79d23\u00d710^8\u7c73\uff09\u3002\u5728\u7a7a\u95f4\u4f20\u64ad\u7684\u7535\u78c1\u6ce2\uff0c\u8ddd\u79bb\u6700\u8fd1\u7684\u7535\u573a\uff08\u78c1\u573a\uff09\u5f3a\u5ea6\u65b9\u5411\u76f8\u540c\uff0c\u5176\u91cf\u503c\u6700\u5927\u4e24\u70b9\u4e4b\u95f4\u7684\u8ddd\u79bb\uff0c\u5c31\u662f\u7535\u78c1\u6ce2\u7684\u6ce2\u957f\u03bb\uff0c\u7535\u78c1\u6bcf\u79d2\u949f\u53d8\u52a8\u7684\u6b21\u6570\u4fbf\u662f\u9891\u7387f\u3002\u4e09\u8005\u4e4b\u95f4\u7684\u5173\u7cfb\u53ef\u901a\u8fc7\u516c\u5f0fc=\u03bbf\u3002
\u3000\u3000\u901a\u8fc7\u4e0d\u540c\u4ecb\u8d28\u65f6\uff0c\u4f1a\u53d1\u751f\u6298\u5c04\u3001\u53cd\u5c04\u3001\u7ed5\u5c04\u3001\u6563\u5c04\u53ca\u5438\u6536\u7b49\u7b49\u3002\u7535\u78c1\u6ce2\u7684\u4f20\u64ad\u6709\u6cbf\u5730\u9762\u4f20\u64ad\u7684\u5730\u9762\u6ce2\uff0c\u8fd8\u6709\u4ece\u7a7a\u4e2d\u4f20\u64ad\u7684\u7a7a\u4e2d\u6ce2\u4ee5\u53ca\u5929\u6ce2\u3002\u6ce2\u957f\u8d8a\u957f\u5176\u8870\u51cf\u4e5f\u8d8a\u5c11\uff0c\u7535\u78c1\u6ce2\u7684\u6ce2\u957f\u8d8a\u957f\u4e5f\u8d8a\u5bb9\u6613\u7ed5\u8fc7\u969c\u788d\u7269\u7ee7\u7eed\u4f20\u64ad\u3002\u7535\u78c1\u6ce2\u7684\u5e94\u7528\u3002
\u3000\u3000\u7535\u78c1\u6ce2\u4e3a\u6a2a\u6ce2\uff0c\u53ef\u7528\u4e8e\u63a2\u6d4b\u3001\u5b9a\u4f4d\u3001\u901a\u4fe1\u7b49\u7b49\u3002
\u7f16\u8f91\u672c\u6bb5
\u7535\u78c1\u6ce2\u8c31
\u3000\u3000\u7535\u78c1\u6ce2\u8c31\u662f\u65e0\u7ebf\u7535\u6ce2,\u5fae\u6ce2,\u7ea2\u5916\u7ebf,\u53ef\u89c1\u5149,\u7d2b\u5916\u7ebf,\u4f26\u7434\u5c04\u7ebf(X\u5c04\u7ebf),\u4f3d\u739b\u5c04\u7ebf.\u9996\u5148,\u65e0\u7ebf\u7535\u6ce2\u7528\u4e8e\u901a\u4fe1\u7b49,\u5fae\u6ce2\u7528\u4e8e\u5fae\u6ce2\u7089,\u7ea2\u5916\u7ebf\u7528\u4e8e\u9065\u63a7,\u70ed\u6210\u50cf\u4eea\uff0c\u7ea2\u5916\u5236\u5bfc\u5bfc\u5f39\u7b49,\u53ef\u89c1\u5149\u662f\u6240\u6709\u751f\u7269\u7528\u6765\u89c2\u5bdf\u4e8b\u7269\u7684\u57fa\u7840,\u7d2b\u5916\u7ebf\u7528\u4e8e\u533b\u7528\u6d88\u6bd2,\u9a8c\u8bc1\u5047\u949e,\u6d4b\u91cf\u8ddd\u79bb,\u5de5\u7a0b\u4e0a\u7684\u63a2\u4f24\u7b49,X\u5c04\u7ebf\u7528\u4e8eCT\u7167\u76f8,\u4f3d\u739b\u5c04\u7ebf\u7528\u4e8e\u6cbb\u7597,\u4f7f\u539f\u5b50\u53d1\u751f\u8dc3\u8fc1\u4ece\u800c\u4ea7\u751f\u65b0\u7684\u5c04\u7ebf\u7b49.
\u7f16\u8f91\u672c\u6bb5
\u7535\u78c1\u6ce2\u7528\u9014
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波的穿透分破坏性穿透和衍射穿透
次声波是利用衍射穿透，实际不是穿透，而是波利用波谷和波峰绕过物
体了~~~波长越长，穿透能力越强
电磁波的能量公式E=hv （E是能量 h是普朗克常量 v是频率)
只与频率有关
搜一下：声波波长越长能量越大(次声波),但电磁波波长越长能量越小?
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