Two loudspeakers are arranged facing each other at some distance. Will a person standing behind one of the loudspeakers clearly hear the sound of the other loudspeaker or the clarity will be seriously damaged because of the 'collision' of the two sounds in between ?

Two aeroplanes are moving towards each other. One of them blows a horn the person in the other plane hears the sound. The apparent pitch will

If you clap on one end of a long steel pipe you will hear two distinct sounds on the other end of the pipe. Explain.

Ten persons are arranged in a row.The number of ways of selecting four persons so that no two persons sitting next to each other are selected is

Two junglemen are standing at the two opposite banks of a river of width l facing each other. One of the m starts beating a drum and sound reaches to the other one after time t_(1) the stats. Then second one starts beating the drum and now first one hear the sound after time t_(2) . Calculate the velocity of sound relative to air and the velocity of wind, if it is blowing from first bank to the other bank at right angle to the river flow

Two stereo speakers are separated by a distance of 2.40 m. A person stands at a distance of 3.20 m directly in front of one of the speakers as shown in figure. Find the frequencies in the audible range (20-2000 Hz) for which the listener will hear a minimum sound intensity. Speed of sound in air = 320 ms^-1

An oscillator of frequency 680 Hz drives two speakers . The speakers are fixed on a vertical pole at a distance 3 m from each other as shown in Fig. 7.103. A person whose height is almost the same as that of the lower speaker walks towards the lower speaker in a direction perpendicular to the pole. Assuming that there is no reflection of sound from the ground and speed of sound is v = 340 m//s , answer the following questions. As the person walks toward the pole , the total number of times that the person hears a minimum in sound intensity will be

Five persons are standing in a line facing North. One of the two persons standing at the extreme ends is a teacher and the other is a businessman. A doctor is standing to the right of a student. A clerk is to left of the businessman. The student is standing between the teacher and the doctor. Counting from the left the doctor is at which place ?

An oscillator of frequency 680 Hz drives two speakers . The speakers are fixed on a vertical pole at a distance 3 m from each other as shown in Fig. 7.103. A person whose height is almost the same as that of the lower speaker walks towards the lower speaker in a direction perpendicular to the pole. Assuming that there is no reflection of sound from the ground and speed of sound is v = 340 m//s , answer the following questions. How far is the person from the pole when he hears a minimum in sound intensity a second time ?