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Noise pollution – ശബ്ദ മലിനീകരണം

Noise pollution is a major environmental problem in Kerala. It is caused by a variety of sources including motor vehicles, construction sites, industrial activities, and everyday activities like shouting, playing music, and using loudspeakers. The state has implemented several measures to reduce noise pollution, including setting noise limits for different areas, monitoring noise levels, and …

Noise pollution – ശബ്ദ മലിനീകരണം Read More »

Uses of ultrasonic waves – അൾട്രാസോണിക് തരംഗങ്ങൾകൊണ്ടുള്ള ഉപയോഗങ്ങൾ

Uses of ultrasonic waves 1. Medical imaging: Ultrasonic waves are used in medical imaging to produce a visual representation of internal body structures. Ultrasound is used to detect fetal anomalies, diagnose diseases, and guide medical procedures. 2. Cleaning: Ultrasonic waves are used in industrial and commercial cleaning applications to remove dirt, rust, and scale from …

Uses of ultrasonic waves – അൾട്രാസോണിക് തരംഗങ്ങൾകൊണ്ടുള്ള ഉപയോഗങ്ങൾ Read More »

Earthquakes occur infrasonic waves are produced and animals respond to it – ഭൂകമ്പങ്ങൾ ഉണ്ടാകുമ്പോൾ ഇൻഫ്രാസോണിക് തരംഗങ്ങൾ ഉണ്ടാകുകയും മൃഗങ്ങൾ പ്രതികരിക്കുകയും ചെയ്യുന്നു

When earthquakes occur infrasonic waves are produced and animals respond to it. why ? Infrasonic waves are sound waves that have a frequency lower than the lower limit of human hearing, which is typically around 20 Hz. It is believed that animals can sense these low frequency sound waves better than humans because they have …

Earthquakes occur infrasonic waves are produced and animals respond to it – ഭൂകമ്പങ്ങൾ ഉണ്ടാകുമ്പോൾ ഇൻഫ്രാസോണിക് തരംഗങ്ങൾ ഉണ്ടാകുകയും മൃഗങ്ങൾ പ്രതികരിക്കുകയും ചെയ്യുന്നു Read More »

Limits of audibility : Ultrasonic sound and Infrasonic sound – കേൾവിയുടെ പരിധികൾ : അൾട്രാസോണിക് ശബ്ദവും ഇൻഫ്രാസോണിക് ശബ്ദവും

Limits of audibility The range of frequencies that humans can hear is generally considered to be between 20 Hz and 20,000 Hz. This range can vary slightly from person to person, but it is generally accepted that any sound outside of this range is considered inaudible. Ultrasonic sound and Infrasonic sound Ultrasonic sound is sound …

Limits of audibility : Ultrasonic sound and Infrasonic sound – കേൾവിയുടെ പരിധികൾ : അൾട്രാസോണിക് ശബ്ദവും ഇൻഫ്രാസോണിക് ശബ്ദവും Read More »

Loss of hearing difficulties face on the basis of Communication, Ability to speak, Vulnerability to danger- ആശയവിനിമയം,സംസാരിക്കാനുള്ള കഴിവ്, അപകടസാധ്യത എന്നിവയെ കേൾവിക്കുറവ് ബാധിക്കുന്നത്

Communication The loss of hearing can cause difficulties in communication in a variety of ways. First, it can be difficult to understand what others are saying due to reduced sound clarity, which can lead to confusion and frustration. It can also be difficult to follow conversations in noisy environments, as well as to participate in …

Loss of hearing difficulties face on the basis of Communication, Ability to speak, Vulnerability to danger- ആശയവിനിമയം,സംസാരിക്കാനുള്ള കഴിവ്, അപകടസാധ്യത എന്നിവയെ കേൾവിക്കുറവ് ബാധിക്കുന്നത് Read More »

Propagation of sound – ശബ്ദത്തിന്റെ പ്രചരണം

Sound is a form of energy that is propagated through a medium such as air, water, or solid materials as a wave. It is created by the vibration of an object, which creates a pressure wave that travels through the medium. The speed of sound depends on the medium it is traveling through; for example, …

Propagation of sound – ശബ്ദത്തിന്റെ പ്രചരണം Read More »

Characteristics of sound : Pitch and Loudness – ശബ്ദ സവിശേഷതകൾ : സ്ഥായിയും ഉച്ചതയും

Pitch The pitch of a sound is a subjective measure of the frequency of the sound and is related to the perceived highness or lowness of the sound. The pitch of a sound is measured in hertz (Hz). Loudness Loudness is a measure of sound intensity, or the volume of a sound. It is measured …

Characteristics of sound : Pitch and Loudness – ശബ്ദ സവിശേഷതകൾ : സ്ഥായിയും ഉച്ചതയും Read More »

Reasons for the differences in the natural frequencies of different objects – വിവിധ വസ്തുക്കളുടെ സ്വാഭാവിക ആവൃത്തികളിലെ വ്യത്യാസങ്ങളുടെ കാരണങ്ങൾ

The natural frequency of an object is determined by its mass and stiffness. Heavier objects tend to have lower natural frequencies, because they require more energy to vibrate, while lighter objects tend to have higher natural frequencies, because they require less energy to vibrate. Additionally, stiffer objects tend to have higher natural frequencies, because they …

Reasons for the differences in the natural frequencies of different objects – വിവിധ വസ്തുക്കളുടെ സ്വാഭാവിക ആവൃത്തികളിലെ വ്യത്യാസങ്ങളുടെ കാരണങ്ങൾ Read More »