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High School/JEE/NEET/IPhO Physics | 17-19 Yrs
Onion Physics for JEE & NEET
Revision Checklist Physics JEE/NEET | 17-19 Yrs
NCERT Short Notes for 12th Boards, JEE & NEET
PYQ Series - Exam Memory Maps for JEE and NEET
JEE Main Solutions
NCERT Solutions | Class XI Physics
NCERT Solutions | Class XII Physics
Physics in Minutes
Middle School/NTSE Physics | 14-16 Yrs
Junior School/NTSE Foundation Physics | 11-13 Yrs
Hybrid Physics/JEE/NEET | 17-19 Yrs
PG Short Videos on Exam Tips and Tricks
Study Tips for JEE & NEET
JEE Advanced Checklist
Advance Illustration
Topic List
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Junior School/NTSE Foundation Physics | 11-13 Yrs
General Queries
General Queries
Junior Physics
Introduction to Motion and Time
Introduction to Force
Introduction to Friction
Understanding The Concept of Pressure
Introduction to Heat
Introduction to Sound
Sound is a Wave
Electric Current and Electric Circuits
Light and Optics
Colour of Sunlight
Mirror and its Optical Analysis
Lenses and Their Optical Analysis
Human Eye and its Parts
Defects of Vision
Phenomena Related to Incidence of Light
Basics of Astronomy
The Moon - Natural Satellite of Earth
Constellations
The Solar System
Planets of Solar System
Other Members of Solar System
Artificial Satellites
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please say the answer before 17/11/14. before 9.00 pm.got exam tomorrow
9 years ago by aswin gawtham
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A man standing in front of an vertical cliff fires a gun.he hears the echo after 3 seconds.on moving closer to the cliff by 82.5metere ,he fires and hears an echo after 2.5 seconds.find 1}distance of the cliff from the initial position of man 2}speed of sound . with the steps
9 years ago by aswin gawtham
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what is an transverse wave?
9 years ago by aswin gawtham
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speed of sound wave is 330m/s .what is the wavelength ,whose frequency is 550hz?
9 years ago by aswin gawtham
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what is sonar?state the principle on which it is based
9 years ago by aswin gawtham
Ans 1 ->
To understand about sonar in detail... visit the link http://thusithamabotuwana.files.wordpress.com/2013/01/principles_and_applications_of_sonar.pdf
9 years ago by
Physics Galaxy
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what is the formula for echo?
9 years ago by aswin gawtham
Ans 1 ->
2d/t
9 years ago by
aswin gawtham
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what is the formula to calculate speed of a sound wave
9 years ago by aswin gawtham
Ans 1 ->
Pl watch Module-16 of 'Wave Motion' Topic under section 'Oscillation & Waves' in video lectures for the formula of speed of sound wave...
9 years ago by
Physics Galaxy
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