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You are here: Home » ICSE Physics Standard 10 Index » ICSE Physics Class 10: Sound

Sound: Fill in the blanks notes

Sound is a chapter of ICSE class 10 Physics textbook. Here, we present fill in the blanks notes on Sound. These notes are totally based on latest Physics textbook of ICSE Board. This learning module contains five questions in fill in the blanks format. Learn this Physics module on Sound to score full marks in ICSE class 10 Board exams. Our notes are designed and thoroughly checked by experts and are completely error-free. Quizcrazy.in and team is proud to present Sound chapter notes to you.
Sound Fill in the Blanks - Notes

Sound FIB 16:

To detect obstacles in their path, bats produce ......... waves.


ultrasonic

Sound FIB 17:

The periodic vibrations of a body of constant amplitude in the absence of any external force on it, are called ......... vibrations.


free

Sound FIB 18:

The periodic vibrations of a body of decreasing amplitude in the presence of a resistive force, are called ......... vibrations.


damped

Sound FIB 19:

The vibrations of a comstant amplitude can occur only in .........


vacuum

Sound FIB 20:

The vibrations of a body which take place under the influence of an external periodic force acting on it are called ......... vibrations.


forced

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