Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A granite rod of 60 cm length is clamped at its middle point and is set into longitudinal vibrations. The density of granite is 2.7 * 10^3 kg/m^3 and its Young’s modulus is
07
Nov
A granite rod of 60 cm length is clamped at its middle point and is set into longitudinal vibrations. The density of granite is 2.7 * 10^3 kg/m^3 and its Young’s modulus is A granite rod of 60 cm length is clamped at its middle point and is set into longitudinal vibrations. The density of [...]
A dielectric slab is filled in the space between the parallel plte capacitor whose relative permittivity varies as Er = a + bx Find the (a) capacitance of the system ( b) potential at a point situated at a distance x from the origin O.
07
Nov
A dielectric slab is filled in the space between the parallel plte capacitor whose relative permittivity varies as Er = a + bx Find the (a) capacitance of the system ( b) potential at a point situated at a distance x from the origin O. A capacitor is charged to a potential difference of 100 [...]
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A capacitor is charged to a potential difference of 100 V and is then connected across a resistor. The potential difference across the capacitor decays exponentially with respect to time. After 1 sec ,
the P.D. between the plates of the capacitor is 80 V. What is the fraction of the stored energy which has been dissipated ? ,
A pipe open at both ends has a fundamental frequency f in air. The pipe is dipped vertically in water so that half of it is in water. The fundamental frequency of the air column is now:
07
Nov
A pipe open at both ends has a fundamental frequency f in air. The pipe is dipped vertically in water so that half of it is in water. The fundamental frequency of the air column is now: A pipe open at both ends has a fundamental frequency f in air. The pipe is dipped vertically [...]
A pipe of length 85 cm is closed from one end. Find the number of possible natural oscillations of air column in the pipe whose frequencies lie below 1250 Hz. The velocity of sound
07
Nov
A pipe of length 85 cm is closed from one end. Find the number of possible natural oscillations of air column in the pipe whose frequencies lie below 1250 Hz. The velocity of sound A pipe of length 85 cm is closed from one end. Find the number of possible natural oscillations of air column [...]
The distance between the plates of a parallel plate capacitor is 0.04m A field of 5000V/m is established between the plates and an unchanged metal plate of thickness 0.01m is inserted intothe condenser parallel to its plate. Find the p.d. between the plates (a) before the introducing of the metal plate and (b) after its introduction. what would be the p.d. if plate of dielectric constant K=2 is introduced in place of metal plate?
07
Nov
The distance between the plates of a parallel plate capacitor is 0.04m A field of 5000V/m is established between the plates and an unchanged metal plate of thickness 0.01m is inserted intothe condenser parallel to its plate. Find the p.d. between the plates (a) before the introducing of the metal plate and (b) after its [...]
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A capacitor is charged to a potential difference of 100 V and is then connected across a resistor. The potential difference across the capacitor decays exponentially with respect to time. After 1 sec ,
the P.D. between the plates of the capacitor is 80 V. What is the fraction of the stored energy which has been dissipated ? ,
A sonometer wire of length 1.5 m is made of steel. The tension in it produces an elastic strain of 1%. What is the fundamental frequency of steel if density and elasticity of steel
07
Nov
A sonometer wire of length 1.5 m is made of steel. The tension in it produces an elastic strain of 1%. What is the fundamental frequency of steel if density and elasticity of steel A sonometer wire of length 1.5 m is made of steel. The tension in it produces an elastic strain of 1%. [...]
A charged capacitor has energy U0 = 2 x 10 ^-4 J and C0 = 4 x 10^-8 F, in the absence of a dielectric . when the potential difference is kept constant by keeping th ecapacitor connected to the supply , assuming Er = 150 ,
07
Nov
A charged capacitor has energy U0 = 2 x 10 ^-4 J and C0 = 4 x 10^-8 F, in the absence of a dielectric . when the potential difference is kept constant by keeping th ecapacitor connected to the supply , assuming Er = 150 , A charged capacitor has energy U0 = 2 [...]
A cylindrical tube, open at both ends, has a fundamental frequency, f, in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the
07
Nov
A cylindrical tube, open at both ends, has a fundamental frequency, f, in air. The tube is dipped vertically in water so that half of it is in water. The fundamental frequency of the A cylindrical tube F has a fundamental frequency in air. The tube is dipped vertically in water so that half of [...]
Three sound waves of equal amplitudes have frequency (f -1), f, and (f + 1). They superpose to give beats. The number of beats produced per second will be
07
Nov
Three sound waves of equal amplitudes have frequency (f -1), f, and (f + 1). They superpose to give beats. The number of beats produced per second will be and (f + 1). They superpose to give beats. The number of beats produced per second will be F Three sound waves of equal amplitudes have [...]
Fundamental frequency of a stretched sonometer wire is f0. When its tension is increased by 96% and length decreased by 35%, its fundamental frequency becomes n1f0. When its
07
Nov
Fundamental frequency of a stretched sonometer wire is f0. When its tension is increased by 96% and length decreased by 35%, its fundamental frequency becomes n1f0. When its Fundamental frequency of a stretched sonometer wire is f0. When its tension is increased by 96% and length decreased by 35% its fundamental frequency becomes n1f0. When [...]