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Content Provider | Bangiya Bijnan Parishad |
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Author | রায়, চিত্তরঞ্জন Roy, Chittaranjan |
Description | This article discusses the sound of Audible Sounds. It has more than twenty thousand vibrations per second called ultrasound or Audible, which people do not hear. Supersonic is a term used to denote the sound having a speed of 1100 feet in a second. Dogs have more hearing impairments than humans, they can hear fine sounds also. Quartz is a substance that disperses abnormally saturated vibrations at varying electrical energy pressures. If a fixed object is continuously hit by the vibrating sound of the ultrasound, it will be thrown away at a speed of 10 million per second. এই প্রবন্ধে শ্রুতিপারের শব্দ বিষয় নিয়ে আলোচনা করা হয়েছে। সেকেন্ডে কুড়ি হাজারের বেশি স্পন্দন সম্পন্ন শব্দকে আলট্রাসাউন্ড বা শ্রুতিপারের শব্দ বলা হয় যা মানুষ কানে শুনতে পায়না। যে শব্দের গতি সেকেন্ডে ১১০০ ফিট সেই শব্দের গতিবেগ বোঝাতে সুপারসনিক শব্দটি ব্যবহৃত হয়ে থাকে। কুকুরের শ্রবণশক্তি মানুষের থেকে বেশি, তারা সূক্ষ্ম শব্দও শুনতে পায়। কোয়ার্টজ এমন একটি পদার্থ যা পরিবর্তিত বৈদ্যুতিক শক্তির চাপে অস্বাভাবিক খৃপ্ত স্পন্দন বিচ্ছুরিত করে। একটি স্থির বস্তুকে যদি ক্রমাগত শ্রুতিপারের শব্দস্পন্দন দ্বারা আঘাত করা হয় তা সেকেন্ডে ১০ লক্ষ মাইল গতিতে দূরে নিক্ষিপ্ত হবে। |
Page Count | 2 |
File Format | |
Language | Bengali |
Publisher | বঙ্গীয় বিজ্ঞান পরিষদ Bangiya Bijnan Parishad |
Publisher Date | 1951-03-01 |
Publisher Place | কলকাতা Calcutta |
Requires | PDF viewer Plugin |
Access Restriction | Open |
Subject Keyword | শ্রবণশক্তি সুপারসনিক শব্দস্পন্দন কোয়ার্টজ আলট্রাসাউন্ড Supersonic Hearing Vibration of Sound Quartz Ultrasound Physics Reflection of Sound শব্দ তরঙ্গ Sound Waves |
Alternative Title | Srutiparer Shabda |
Content Type | Text |
Educational Use | Reading Self Learning |
Education Level | Class VI Class VII Class VIII Class IX Class X Class XI Class XII |
Resource Type | Article |
Subject | Reflection of Sound, Echo and Depth Sounding |
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