Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Three identical metallic uncharged spheres A, B and C of radius a are kept on the corners of an equilateral triangle of side d(d>>a). A fourth sphere (radius a) which has charge Q touches A and is then removed to a position for away. B is earthed and then the earth connection is removed. c is then earthed. The charge on C is
05
Nov
Three identical metallic uncharged spheres A, B and C of radius a are kept on the corners of an equilateral triangle of side d(d>>a). A fourth sphere (radius a) which has charge Q touches A and is then removed to a position for away. B is earthed and then the earth connection is removed. c [...]
A conducting sphere A of radius a, with charge Q, is placed concentrically inside a conducting shell B of radius b. B is earthed. C is the common center of A and B. Study the following statements. (i) The potential at a distance r from C, where a≤r≤b,is 1/4πε0(qr) (ii) The potential difference between AandB is 14πε0Q(1r−1B) (iii) The potential at a distance romC, where a≤r≤b ,is 1/4πε0 Q(1r−1B) Which of the following statements are correct ?
05
Nov
A conducting sphere A of radius a, with charge Q, is placed concentrically inside a conducting shell B of radius b. B is earthed. C is the common center of A and B. Study the following statements. (i) The potential at a distance r from C, where a≤r≤b,is 1/4πε0(qr) (ii) The potential difference between AandB [...]
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A conducting sphere A of radius a ,
is 1/4πε0 Q(1r−1B) Which of the following statements are correct ? ,
is 1/4πε0(qr) (ii) The potential difference between AandB is 14πε0Q(1r−1B) (iii) The potential at a distance romC ,
is placed concentrically inside a conducting shell B of radius b. B is earthed. C is the common center of A and B. Study the following statements. (i) The potential at a distance r from C ,
where a≤r≤b ,
with charge Q ,
A tuning fork with a frequency of f = 500 Hz is placed near the top of the tube shown in figure. The water level is lowered so that the length L slowly increases from an initial value of 20.0 cm.
05
Nov
A tuning fork with a frequency of f = 500 Hz is placed near the top of the tube shown in figure. The water level is lowered so that the length L slowly increases from an initial value of 20.0 cm. A tuning fork with a frequency of f = 500 Hz is placed near [...]
An organ pipe has two successive harmonics with frequencies 1372 and 1764 Hz. Find these harmonics and the length of the rube. Assume the sound speed v = 330 m/s
05
Nov
An organ pipe has two successive harmonics with frequencies 1372 and 1764 Hz. Find these harmonics and the length of the rube. Assume the sound speed v = 330 m/s An organ pipe has two successive harmonics with frequencies 1372 and 1764 Hz. Find these harmonics and the length of the rube. Assume the sound [...]
Find the ratio of length of a closed pipe to that of the open pipe in order that the second overtone of the former is in unison with fourth overtone of the latter.
05
Nov
Find the ratio of length of a closed pipe to that of the open pipe in order that the second overtone of the former is in unison with fourth overtone of the latter. Find the ratio of length of a closed pipe to that of the open pipe in order that the second overtone of [...]
The 1st overtone of a pipe closed at one of its end is 900 Hz. Find the fundamental frequency of this pipe open at both ends.
05
Nov
The 1st overtone of a pipe closed at one of its end is 900 Hz. Find the fundamental frequency of this pipe open at both ends. The 1st overtone of a pipe closed at one of its end is 900 Hz. Find the fundamental frequency of this pipe open at both ends. November 5, 2020 [...]
A tube closed at one end has a vibrating diaphragm at the other end, which may be assumed to be a displacement node. It is found that when the frequency of the diaphragm is 2000 Hz,
05
Nov
A tube closed at one end has a vibrating diaphragm at the other end, which may be assumed to be a displacement node. It is found that when the frequency of the diaphragm is 2000 Hz, A tube closed at one end has a vibrating diaphragm at the other end which may be assumed to [...]
An electron having charge e and mass m starts from the lower plate of two metallic plates separated by a distance d. If the potential difference between the plates is V, the time taken by the electron to reach the upper plate is given by
05
Nov
An electron having charge e and mass m starts from the lower plate of two metallic plates separated by a distance d. If the potential difference between the plates is V, the time taken by the electron to reach the upper plate is given by An electron having charge e and mass m starts from [...]
A glass tube of length 1.5 m is filled completely with water; the water can be drained out slowly at the bottom of the tube. Find the total number of resonance obtained, when a
05
Nov
A glass tube of length 1.5 m is filled completely with water; the water can be drained out slowly at the bottom of the tube. Find the total number of resonance obtained, when a A glass tube of length 1.5 m is filled completely with water; the water can be drained out slowly at the [...]
Find the fundamental frequency and the first four overtones of a 15 cm pipe (a) if the pipe is closed at one end, and (b) if the pipe is open at both ends. (c) How many overtones may be heard
05
Nov
Find the fundamental frequency and the first four overtones of a 15 cm pipe (a) if the pipe is closed at one end, and (b) if the pipe is open at both ends. (c) How many overtones may be heard and (b) if the pipe is open at both ends. (c) How many overtones may [...]