This series has been written strictly in accordance with the latest syllabus prescribed by the Council for Indian School Certificate Examinations, New Delhi. The text is comprehensive and clear and accurate diagrams illustrate concepts. Activities and experiments develop scientific skills. Exhaustive exercises test knowledge and understanding of concepts learnt. The questions and numerical problems have been strictly framed in accordance with the ICSE examination pattern.Give reasons. 9. The thinner strings of a guitar give out shrill sound than thicker strings. Give reasons. 10. The skin of a tabla is tightened to produce shrill sound. Give reasons. 11. ... [Ans. 10, 000 or 104 times] 21. ... Two musical notes of the same pitch and same loudness played on a violin and on a piano are different.
|Author||:||DK Rao & JJ Kaur|
|Publisher||:||Ratna Sagar -|