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प्रश्न
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उत्तर
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संबंधित प्रश्न
State one important property of waves used for echo depth sounding.
Define the following term:
Frequency
Which of the following determines the loudness of a sound wave?
Figure shows two jars A and B containing water up to different heights. Which will produce sound of higher pitch when air is blown on them?
Two identical guitars are played by two persons to give notes of the same loudness and pitch. Will they differ in quality? Give reason for your answer.
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
Explain the following and illustrate your answer by drawing appropriate diagram:
Loudness
Name the subjective property of light related to its wavelength.
The diagram below shows three ways in which the string of an instrument can vibrate.
(i) Which of the above diagrams shows the fundamental note?
(ii) Which has the frequency 4 times that of the fundamental?
(iii) State the ratio between the frequency of the first and second.
If ______ of sound is decreased, its loudness also decreases.
