Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)

A closed organ pipe has length ‘l’. The air in it is vibrating in 3rd overtone with maximum amplitude ‘a’. The amplitude at a distance of l/7 from closed end of the pipe is equal to A closed organ pipe has length 'l'. The air in it is vibrating in 3rd overtone with maximum amplitude [...]

A string of length ‘L’ is fixed at both ends. It is vibrating in its 3rd overtone with maximum amplitude ‘a’. The amplitude at a distance L/3 from one end is A string of length 'L' is fixed at both ends. It is vibrating in its 3rd overtone with maximum amplitude 'a'. The amplitude at [...]

A uniform electric field E0 exists in a region at angle 45 degree with the x – axis. There are two points A ( a, 0 ) and B ( 0, b ) having potential Va and Vb , respectively, then 0 ) and B ( 0 A uniform electric field E0 exists in a [...]

A 75 cm string fixed at both ends produces resonant frequencies 384 Hz and 288 Hz without there being any other resonant frequency between these two. Wave speed for the string A 75 cm string fixed at both ends produces resonant frequencies 384 Hz and 288 Hz without there being any other resonant frequency between [...]

Two infinite , nonconducting sheets carry equal positive charge density sigma. One is placed in the yz plane and the other at distance x = a. Take potential V = 0 at x = 0. Then nonconducting sheets carry equal positive charge density sigma. One is placed in the yz plane and the other at [...]

A string of length 1.5 m with its two ends clamped is vibrating in fundamental mode. Amplitude at the centre of the string is 4 mm. Distance between the two points having A string of length 1.5 m with its two ends clamped is vibrating in fundamental mode. Amplitude at the centre of the string [...]

At a distance of 5 cm and 10 cm outward from the surface of a uniformly charged solid sphere, the potentials are 100 V and 75 V respectively. Then At a distance of 5 cm and 10 cm outward from the surface of a uniformly charged solid sphere the potentials are 100 V and 75 [...]

A wire of length ‘l’ having tension T and radius ‘r’ vibrates with fundamental frequency ‘f’. Another wire of the same metal with length ‘2l’ having tension 2T and radius 2r will vibrate A wire of length 'l' having tension T and radius 'r' vibrates with fundamental frequency 'f'. Another wire of the same metal [...]

The frequency of B is 3% greater than that of A. The frequency of C is 2% less than that of A. If B and C produce 8 beats/s, then the frequency of A is The frequency of B is 3% greater than that of A. The frequency of C is 2% less than that [...]

An open organ pipe of length l is sounded together with another open organ pipe of length l + x in their fundamental tones. Speed of sound in air is v. The beat frequency heard An open organ pipe of length l is sounded together with another open organ pipe of length l + x [...]