engineering recuitment DRDO CEPTAM STA B Tier I (Sr. Technical Assistant) Mock Test 2022 General Science Physics
Which of the following is the reason for a sound to be 'Grave' or 'Shrill'?
1
Pitch
2
Quality
3
Phase
4
Intensity
Which of the following is the reason for a sound to be 'Grave' or 'Shrill'?