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A charged particle of mass 5 mg and charge q = +2μC has velocity v = 2iˆ−3jˆ+4kˆ. Find out the magnetic force on the charged particle and its acceleration at this instant due to magnetic field B = 3jˆ−2kˆ,v and B are in m/s and Wb/m^2 respectively.
13
Oct
A charged particle of mass 5 mg and charge q = +2μC has velocity v = 2iˆ−3jˆ+4kˆ. Find out the magnetic force on the charged particle and its acceleration at this instant due to magnetic field B = 3jˆ−2kˆ,v and B are in m/s and Wb/m^2 respectively. D = 1.25 × 10^−2 m and rise [...]
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D = 1.25 × 10^−2 m and rise of water in capillary ,
h = 1.45 × 10^−2 m. Taking g = 9.80 m/s^2 and using the relation T = (rgh/2) × 10^3 N/m ,
The following observations were taken for dtermining the surface tension of water by capillary tube method: diameter of capillary ,
what is the possible error in measurement of surface tension T? ,
A drop of liquid of radius R = 10^-2 m having surface tension S = 0.14 πN/m^−1 divides itself into K identical drop. In this process the total change in the surface energy ΔU = 10^−3 J. If K = 10 α , then the value of α is :
13
Oct
A drop of liquid of radius R = 10^-2 m having surface tension S = 0.14 πN/m^−1 divides itself into K identical drop. In this process the total change in the surface energy ΔU = 10^−3 J. If K = 10 α , then the value of α is : A drop of liquid of [...]
Consider two solid spheres P and Q each of density 8 gm/cm^3 and diameters 1 cm and 0.5 cm, respectively. Sphere P is dropped into a liquid of density 0.8 gm/cm^3 and viscosity η = 3 poiseulles. Sphere Q is dropped into a liquid of density 1.6 gm/cm^3 and viscosity η = 2 poiseulles. The ratio of the terminal velocities of P and Q is
13
Oct
Consider two solid spheres P and Q each of density 8 gm/cm^3 and diameters 1 cm and 0.5 cm, respectively. Sphere P is dropped into a liquid of density 0.8 gm/cm^3 and viscosity η = 3 poiseulles. Sphere Q is dropped into a liquid of density 1.6 gm/cm^3 and viscosity η = 2 poiseulles. The [...]
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Consider two solid spheres P and Q each of density 8 gm/cm^3 and diameters 1 cm and 0.5 cm ,
D = 1.25 × 10^−2 m and rise of water in capillary ,
h = 1.45 × 10^−2 m. Taking g = 9.80 m/s^2 and using the relation T = (rgh/2) × 10^3 N/m ,
The following observations were taken for dtermining the surface tension of water by capillary tube method: diameter of capillary ,
what is the possible error in measurement of surface tension T? ,
Two soap bubbles A and B are kept in a closed chamber where the air is maintained at pressure 8 N/m^2. The radii of bubbles A and B are 2 cm and 4 cm, respectively. Surface tension of the soap. Water used to make bubbles is 0.04N/m. Find the ratio nB/nA, where nA and nB are the number of moles of air in bubbles A and B respectively. [Neglect the effect of gravity.]
13
Oct
Two soap bubbles A and B are kept in a closed chamber where the air is maintained at pressure 8 N/m^2. The radii of bubbles A and B are 2 cm and 4 cm, respectively. Surface tension of the soap. Water used to make bubbles is 0.04N/m. Find the ratio nB/nA, where nA and nB [...]
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respectively. Surface tension of the soap. Water used to make bubbles is 0.04N/m. Find the ratio nB/nA ,
Two soap bubbles A and B are kept in a closed chamber where the air is maintained at pressure 8 N/m^2. The radii of bubbles A and B are 2 cm and 4 cm ,
where nA and nB are the number of moles of air in bubbles A and B respectively. [Neglect the effect of gravity.] ,
Lights of two different frequencies whose photons have energies 1 and 2.5 eV, respectively, successively illuminate a metal whose work function is 0.5 eV. The ratio of the maximum
12
Oct
Lights of two different frequencies whose photons have energies 1 and 2.5 eV, respectively, successively illuminate a metal whose work function is 0.5 eV. The ratio of the maximum Lights of two different frequencies whose photons have energies 1 and 2.5 eV respectively successively illuminate a metal whose work function is 0.5 eV. The ratio [...]
The frequency of incident light falling on a photosensitive metal plate is doubled, the KE of the emitted photoelectrons is
12
Oct
The frequency of incident light falling on a photosensitive metal plate is doubled, the KE of the emitted photoelectrons is The frequency of incident light falling on a photosensitive metal plate is doubled the KE of the emitted photoelectrons is October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The frequency and the intensity of a beam of light falling on the surface of a photoelectric material are increased by a factor of two . This will
12
Oct
The frequency and the intensity of a beam of light falling on the surface of a photoelectric material are increased by a factor of two . This will The frequency and the intensity of a beam of light falling on the surface of a photoelectric material are increased by a factor of two . This [...]
The photoelectric threshold of a certain metal is 3000 A. If the radiation of 2000 A is incident on a metal
12
Oct
The photoelectric threshold of a certain metal is 3000 A. If the radiation of 2000 A is incident on a metal The photoelectric threshold of a certain metal is 3000 A. If the radiation of 2000 A is incident on a metal October 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
If stopping potentials corresponding to wavelength 4000 A are 1.3 V and 0.9 V, respectively, then the work function of the metal is
12
Oct
If stopping potentials corresponding to wavelength 4000 A are 1.3 V and 0.9 V, respectively, then the work function of the metal is If stopping potentials corresponding to wavelength 4000 A are 1.3 V and 0.9 V respectively then the work function of the metal is October 12, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
A metal surface in an evacuated tube is illuminated with monochromatic light causing the emission of photoelectrons which are collected at an adjacent electrode. For a given intensity
12
Oct
A metal surface in an evacuated tube is illuminated with monochromatic light causing the emission of photoelectrons which are collected at an adjacent electrode. For a given intensity A metal surface in an evacuated tube is illuminated with monochromatic light causing the emission of photoelectrons which are collected at an adjacent electrode. For a given [...]