When you are having discussion with your friends in a group, which of the following has a unique value in the sound produced?

(A) Wave speed
(B) Amplitude
(C) Frequency
(D) Wavelength

Answer

A microphone of cross-sectional area cm² is placed in front of a guitar amp./speaker emitting 16 W of sound output. If the distance between the microphone and the speaker is 2.0 cm, the energy falling on the microphone in 4.0 s is:

(A) 1 J
(B) 1 mJ
(C) 4 J
(D) 0.25 J

During music practice session, students sing SA-PA SA-PA on mic. The sound is reflected back from a building at a distance of 85 m from the class. Which one of the following is the time interval between one SA-PA and the next SA-PA so that the reflected sound synchonises exactly with the emitted sound? Speed of sound in air is 340 m/s.

(A) 0.5 s
(B) 0.25 s
(C) 1 s
(D) 0.025 s

Solution

A musical scale containing 5 notes is called:

(A) Diatonic Scale
(B) Pentatonic Scale
(C) Harmonic Minor Scale
(D) None of the above

Answer

What is the name of the 9 string Veena mentioned in Ramayana?

(A) Swartantrika
(B) Vipanchi
(C) Navtantri
(D) Chitra

Answer