Cengage NEET by C.P Singh
Two wires are kept tight between the same pair supports. The tensions in the wires are in the ration 2:1, the radii are in the ratio 3:1 and the densities are in the ratio 1:2. The ratio of their fundamental frequencies
17
Sep
Two wires are kept tight between the same pair supports. The tensions in the wires are in the ration 2:1, the radii are in the ratio 3:1 and the densities are in the ratio 1:2. The ratio of their fundamental frequencies the radii are in the ratio 3:1 and the densities are in the ratio [...]
A string is stretched between fixed points separated by 75 cm. It is observed to have resonant frequencies of 420 Hz and 315 Hz. There are no other resonant frequencies between these two. Then, the lowest resonant frequency for this string is
17
Sep
A string is stretched between fixed points separated by 75 cm. It is observed to have resonant frequencies of 420 Hz and 315 Hz. There are no other resonant frequencies between these two. Then, the lowest resonant frequency for this string is A string is stretched between fixed points separated by 75 cm. It is [...]
If the tension and diameter of a sonometre wire of fundamental frequency ‘f’ are doubled and density is halved then its fundamental frequency will become:
17
Sep
If the tension and diameter of a sonometre wire of fundamental frequency ‘f’ are doubled and density is halved then its fundamental frequency will become: If the tension and diameter of a sonometre wire of fundamental frequency 'f' are doubled and density is halved then its fundamental frequency will become: September 17, 2020 Category: Cengage [...]
A sonometre wire vibrates with frequency n. It is replaced by another wire of three times the diameter, if tension and other parameters remain the same, the frequency of vibration of the wire will be
17
Sep
A sonometre wire vibrates with frequency n. It is replaced by another wire of three times the diameter, if tension and other parameters remain the same, the frequency of vibration of the wire will be A sonometre wire vibrates with frequency n. It is replaced by another wire of three times the diameter if tension [...]
Two travelling waves y1 = A sin [k (x – ct) ] and y2 = A sin [k( x + ct) ] are superimposed on string. The distance between adjacent nodes is
17
Sep
Two travelling waves y1 = A sin [k (x – ct) ] and y2 = A sin [k( x + ct) ] are superimposed on string. The distance between adjacent nodes is Two travelling waves y1 = A sin [k (x – ct) ] and y2 = A sin [k( x + ct) ] are [...]
A wave disturbance in a medium is described by y (x,t) = 0.02 cos (50πt+π/2) cos (10 πx) where x and y are in meter and t is in second`
17
Sep
A wave disturbance in a medium is described by y (x,t) = 0.02 cos (50πt+π/2) cos (10 πx) where x and y are in meter and t is in second` A wave disturbance in a medium is described by y (x t) = 0.02 cos (50πt+π/2) cos (10 πx) where x and y are in [...]
A wave represented by the equation y=a cos(kx−ωt) is superposed with another wave to form stationary wave such that the point x=0 is a node. The equation for the other wave is
17
Sep
A wave represented by the equation y=a cos(kx−ωt) is superposed with another wave to form stationary wave such that the point x=0 is a node. The equation for the other wave is A wave represented by the equation y=a cos(kx−ωt) is superposed with another wave to form stationary wave such that the point x=0 is [...]
The displacement of a particle in string stretched in X direction is represented by y. Among the following expressions for y, those describing wave motions are
17
Sep
The displacement of a particle in string stretched in X direction is represented by y. Among the following expressions for y, those describing wave motions are The displacement of a particle in string stretched in X direction is represented by y. Among the following expressions for y those describing wave motions are September 17, 2020 [...]
Two pulses in a stretched string whose centers are initially 8 cm apart are moving towards each other as shown in the figure. The speed of each pulse is 2 cm/s. After 2 seconds, the total energy of the pulses will be
17
Sep
Two pulses in a stretched string whose centers are initially 8 cm apart are moving towards each other as shown in the figure. The speed of each pulse is 2 cm/s. After 2 seconds, the total energy of the pulses will be the total energy of the pulses will be Two pulses in a stretched [...]
A wave pulse traveling on a two piece string, gets partially reflected and partially transmitted at the junction. The reflected wave is inverted in shape as compared to incident one. If the incident wave has wavelength λ and transmitted wave has λ′,
17
Sep
A wave pulse traveling on a two piece string, gets partially reflected and partially transmitted at the junction. The reflected wave is inverted in shape as compared to incident one. If the incident wave has wavelength λ and transmitted wave has λ′, 4mm and 7mm arrive at a given point with successive phase difference is [...]