10th Class Physics Lecture Unit :10 (PTB Syllabus)

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9th and 10th class English, Biology, Physics, Chemistry, and Computer Science Lectures for Punjab Boards. Class 9th 10th , IX/SSC-1/Matric. These Lectures are per the Latest Syllabus/Course Prescribed by the Boards of Intermediate and Secondary Education (BISEs) of Punjab Province and prescribed by the Department of Education, Punjab Government, Lahore.

In this video,

I covered these things,

Lecture

Unit:10

Sound,

11.1 SOUND WAVES,

SOUND IS PRODUCED BY A VIBRATING BODY,

Sound Requires Material Medium for its Propagation,

Longitudinal Nature of Sound Waves,

11.2 CHARACTERISTICS OF SOUND,

11.3 REFLECTION (ECHO) OF SOUND,

11.4 SPEED OF SOUND,

11.5 NOISE POLLUTION,

11.6 IMPORTANCE OF ACOUSTICS,

11.7 AUDIBLE FREQUENCY RANGE,

11.8 ULTRASOUND,

SUMMARY,

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