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A body is float inside liquid. If we increase temperature then what changes occur in buoyancy force? (Assume body is always in floating condition)
01
Sep
A body is float inside liquid. If we increase temperature then what changes occur in buoyancy force? (Assume body is always in floating condition) A body is float inside liquid. If we increase temperature then what changes occur in buoyancy force? (Assume body is always in floating condition) September 1, 2020 Category: Uncategorised (JEE Advanced [...]
A solid floats in a liquid at 20C with 75 % of it immersed. When the liquid is heated to 100C, the same solid floats with 80% of it immersed in the liquid. Calculate the coefficient of expansion of the liquid. Assume the volume of the solid to be constant.
01
Sep
A solid floats in a liquid at 20C with 75 % of it immersed. When the liquid is heated to 100C, the same solid floats with 80% of it immersed in the liquid. Calculate the coefficient of expansion of the liquid. Assume the volume of the solid to be constant. A solid floats in a [...]
The coefficient of volume expansion of glycerine is 49×10^−5/C. What is the fractional change in its density (approx.) for 30C rise in temperature?
01
Sep
The coefficient of volume expansion of glycerine is 49×10^−5/C. What is the fractional change in its density (approx.) for 30C rise in temperature? The coefficient of volume expansion of glycerine is 49×10^−5/C. What is the fractional change in its density (approx.) for 30C rise in temperature? September 1, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
The height of liquid column in the cylindrical container is h0 at 0c. If the temperature of liquid rises to theta c, assuming the expression of both solid and liquid, find the height of the liquid column. Assume
01
Sep
The height of liquid column in the cylindrical container is h0 at 0c. If the temperature of liquid rises to theta c, assuming the expression of both solid and liquid, find the height of the liquid column. Assume assuming the expression of both solid and liquid find the height of the liquid column. Assume The [...]
A hollow aluminium cylinder 20.0 cm deep has an internal capacity of 2.000 L at 20.0C. It is completely filled with tupentine and then slowly warmed to 80.0C a. How much turpentine overflows?
01
Sep
A hollow aluminium cylinder 20.0 cm deep has an internal capacity of 2.000 L at 20.0C. It is completely filled with tupentine and then slowly warmed to 80.0C a. How much turpentine overflows? A hollow aluminium cylinder 20.0 cm deep has an internal capacity of 2.000 L at 20.0C. It is completely filled with tupentine [...]
A 250cm^3 glass bottle is completely filled with water at 50C. The bottle and water are heated to 60C. How much water runs over if: a. the expansion of the bottle is neglected: b. the expansion of the bottle is included?
01
Sep
A 250cm^3 glass bottle is completely filled with water at 50C. The bottle and water are heated to 60C. How much water runs over if: a. the expansion of the bottle is neglected: b. the expansion of the bottle is included? At room temperature (25C) the length of a steel rod is measured using a [...]
In the circuit shown in the figure, the input voltage V_(i) is 20V, V_(BE)=0 and V_(CE)=0. The values of I_(B),I_(C) and beta are given by:
01
Sep
In the circuit shown in the figure, the input voltage V_(i) is 20V, V_(BE)=0 and V_(CE)=0. The values of I_(B),I_(C) and beta are given by: I_(C) and beta are given by: In the circuit shown in the figure: the input voltage V_(i) is 20V V_(BE)=0 and V_(CE)=0. The values of I_(B) September 1, 2020 Category: [...]
Zener diode is used for
01
Sep
Zener diode is used for Zener diode is used for September 1, 2020 Category: Chapter 33 - Semiconductors , NEET Last 32 Years Solved 1988 - 2019 Physics and Chemistry Video Solutions , Physics ,
A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the radiation that can be absorbed by the material is nearly
01
Sep
A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the radiation that can be absorbed by the material is nearly A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the radiation that can be absorbed [...]
A one litre glass flask contains some mercury. It is found that at different temperatures the volume of air inside the flask remains the same. What is the volume of mercury in this flask if coefficient of linear expansion of glass is
01
Sep
A one litre glass flask contains some mercury. It is found that at different temperatures the volume of air inside the flask remains the same. What is the volume of mercury in this flask if coefficient of linear expansion of glass is At room temperature (25C) the length of a steel rod is measured using [...]