Note
Structure of Human Ear and Hearing Aid
A hearing aid is a battery-operated, an electronic device that receives sound…
Study Notes
Easy-to-read notes for quick revision.
Note
SONAR : “Sound Navigation and Ranging”
“Sonar” can be defined as “ Sound Navigation and Ranging” This device…
Applications of Ultrasound (ultrasonic sound waves)
The high frequency waves are known as ultrasound. ultrasonography is also done…
Sound: Reverberation, and Range of Hearing
Reverberation is the persistence of a sound after a sound is produced.…
Speed of sound in different media
The speed of the sound in a medium is affected by the…
Note
Sound waves : Different Characteristics – Frequency, Amplitude, Pitch, Timber
Compression (C) – These are the regions where particles are crowded together…
Sound: Production and propagation
The basic way for the production of Sound is “vibration”. When an…
Molecular Mass and Mole Concept
The summation of the atomic masses of all the atoms in a…
Chemical Formula of compounds and rules for writing
The symbolic representation of composition is termed as the chemical formula of…
Molecules and ions
A molecule is, in general, a group of two or more atoms…
Note
Kingdoms of the Deccan or Dakshinapatha regions ( Southern India…
Deccan or the Dakshinapatha regions are the part of Southern India. The…
Mathematics: Profit And Loss, Solved Questions
The profit earned by selling an article for Rs 900 is double…