Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A human body has a surface area of approximately 1 m^2. The normal body temperature is 10 K above the surrounding room temperature T0. Take the room temperature to be
27
Oct
A human body has a surface area of approximately 1 m^2. The normal body temperature is 10 K above the surrounding room temperature T0. Take the room temperature to be A human body has a surface area of approximately 1 m^2. The normal body temperature is 10 K above the surrounding room temperature T0. Take [...]
An incandescent bulb has a thin filament of tungsten that is heated to high temperature by passing an electric current. The hot filament emits black-body radiation. The filament is observed
27
Oct
An incandescent bulb has a thin filament of tungsten that is heated to high temperature by passing an electric current. The hot filament emits black-body radiation. The filament is observed An incandescent bulb has a thin filament of tungsten that is heated to high temperature by passing an electric current. The hot filament emits black-body [...]
A composite block is made of slabs A, B, C, D and E of different thermal conductivities (given in terms of a constant K ) and sizes (given in terms of length, L) as shown in the figure.
27
Oct
A composite block is made of slabs A, B, C, D and E of different thermal conductivities (given in terms of a constant K ) and sizes (given in terms of length, L) as shown in the figure. A composite block is made of slabs A B C D and E of different thermal conductivities [...]
The element of an electric heater is in the form of a coil. Once it is heated by dc volatage and then by ac voltage of equal potential difference. Will the production of heat in both cases be same of different?
27
Oct
The element of an electric heater is in the form of a coil. Once it is heated by dc volatage and then by ac voltage of equal potential difference. Will the production of heat in both cases be same of different? At very high frequency of ac capacitor behaves like a conductor ( True / [...]
Can we have resonance in LR or CR circuits ?
27
Oct
Can we have resonance in LR or CR circuits ? Can we have resonance in LR or CR circuits ? October 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In series LCR circuit, at resonance, power factor is ……………………
27
Oct
In series LCR circuit, at resonance, power factor is …………………… at resonance In series LCR circuit power factor is ........................ October 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Parallel rays of light of intensity I = 912 W/m^2 are incident on a spherical black body kept in surroundings of temperature 300 K. Take Stefan-Boltzmann constant
27
Oct
Parallel rays of light of intensity I = 912 W/m^2 are incident on a spherical black body kept in surroundings of temperature 300 K. Take Stefan-Boltzmann constant Parallel rays of light of intensity I = 912 W/m^2 are incident on a spherical black body kept in surroundings of temperature 300 K. Take Stefan-Boltzmann constant October [...]
Two rectangular blocks, having identical dimensions, can be arranged either in configuration 1 or in configuration 2 as shown in the figure. One of the blocks has thermal conductivity k
27
Oct
Two rectangular blocks, having identical dimensions, can be arranged either in configuration 1 or in configuration 2 as shown in the figure. One of the blocks has thermal conductivity k can be arranged either in configuration 1 or in configuration 2 as shown in the figure. One of the blocks has thermal conductivity k having [...]
Three very large plates of same area are kept parallel and close to each other. They are considered as ideal black surfaces and have very high thermal conductivity. The first and third
27
Oct
Three very large plates of same area are kept parallel and close to each other. They are considered as ideal black surfaces and have very high thermal conductivity. The first and third Three very large plates of same area are kept parallel and close to each other. They are considered as ideal black surfaces and [...]
Three rods of copper, brass and steel are welded together to form a Y-shaped structure. Area of cross-section of each rod = 4 cm^2. The end of copper rod is maintained at 100 C
27
Oct
Three rods of copper, brass and steel are welded together to form a Y-shaped structure. Area of cross-section of each rod = 4 cm^2. The end of copper rod is maintained at 100 C brass and steel are welded together to form a Y-shaped structure. Area of cross-section of each rod = 4 cm^2. The [...]