Arihant Physics by D.C Pandey

A heavy rope is suspended from a rigid support. A wave pulse is set up at the lower end, then. A heavy rope is suspended from a rigid support. A wave pulse is set up at the lower end then June 26, 2021 Category: Arihant Physics by D.C Pandey , Chapter 17 - Wave Motion [...]

A source of sound of frequency 600 Hz is placed inside water. The speed of sound in water is 1500 m/s and in air it is 300 m/s. The frequency of sounds recorded by an observer who is standing in air is Speed of transverse wave in a string of density 100kg/m^(3) and area of [...]

For a certain organ pipe, three successive resonance frequencies are observed at 425 Hz, 595 Hz and 765 Hz respectively, If the speed of sound in air is 340 m/s then the length of the pipe(in Hz) is 595 Hz and 765 Hz respectively For a certain organ pipe If the speed of sound in [...]

The equation of a wave disturbance is a given as y= 0.02 sin ((pi)/(2)+50pi t) cos (10 pix), where x and y are in metre and t is in second . Choose the correct statement (s). The equation of a wave disturbance is a given as y= 0.02 sin ((pi)/(2)+50pi t) cos (10 pix) where [...]

The ratio of intensities between two coherent sound sources is 4 : 1. The difference of loudness in decibels between maximum and minimum intensities, when they interfere in space, is is The ratio of intensities between two coherent sound sources is 4 : 1. The difference of loudness in decibels between maximum and minimum intensities [...]

The equation of a travelling wave is given as y=5 sin 10 pi(t-0.01x), along the x-axis . Here, all quantities are in SI units. The phase difference between the points separated by a distance of 10 m along x-axis is all quantities are in SI units. The phase difference between the points separated by a [...]

Speed of transverse wave in a string of density 100kg/m^(3) and area of cross-section 10mm^(2) under a tension of 10^(3) N is Speed of transverse wave in a string of density 100kg/m^(3) and area of cross-section 10mm^(2) under a tension of 10^(3) N is June 26, 2021 Category: Arihant Physics by D.C Pandey , Chapter [...]

Two open organ pipes of fundamental frequencies n1 and n2​ are joined in series. The fundamental frequency of the new pipe so obtained will be: Two open organ pipes of fundamental frequencies n1 and n2​ are joined in series. The fundamental frequency of the new pipe so obtained will be: June 26, 2021 Category: Arihant [...]

A source frequency f gives 5 beats when sounded with a frequency 200Hz. The second harmonic of same source gives 10 beats when sounded with a source of frequency 420Hz. The value of f is. A source frequency f gives 5 beats when sounded with a frequency 200Hz. The second harmonic of same source gives [...]

A chord attached about an end to a vibrating fork divides it into 6 loops when its tension is 36 N. The tension at which it will vibrate 4 loops is: A chord attached about an end to a vibrating fork divides it into 6 loops when its tension is 36 N. The tension at [...]