(chatquestion)...(c) (d) 2 The fundamental frequency of a closed pipe is 220 Hz. 13 of the pipe is filled with water, the frequency of If the first overtone of the pipe now is (b) 440 Hz (a) 220 Hz (c) 880 Hz (d) 1760 Hz 14The equation of stationary wave along a stretched TIX cos 40 nt wherex and y are string is given by y = 5 sin in centimetre and t in second. The separation between two adjacent nodes is : (a), 6 cm (b) 4 cm €) 3 cm (d) 1.5 cm A bus is moving with a velocity of 5 m/s towards à huge wall, the driver sounds a horn of frequency 165 Hz. If the speed of sound in air is 355 m/s, the number of beats heard per second by a passenger on 15 the bus will be (a) (b) (c) (d) 6. AFA orten 16 Two identical sinusoidal waves each of amplitude 5 mm with a phase difference of Tt/2 are travelling in the same direction in a string. The amplitude of the resultant wave (in mm) is Zero (a) 5/2 (c) (d) 5/VZ 5/2

Question