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A sonometer wire of length 1.5 m is made of steal. The tension in it produces an elastic strain of 1%. What is the fundamental frequency of density? elasticity of steel are 7.7×103kg/m3and2.2×1011N/m2 respectively?
12
Nov
A sonometer wire of length 1.5 m is made of steal. The tension in it produces an elastic strain of 1%. What is the fundamental frequency of density? elasticity of steel are 7.7×103kg/m3and2.2×1011N/m2 respectively? Two progressive wave are represented by the following equations ..y1=10sin2π(10t−0.1x) and y2=20sin2π(20t−0.2x). Find the ratio of their intensities November 12, 2020 [...]
Hall-Heroult’s process is given by (a) Cr2O3 + 2Al to Al2O3 + 2Cr (b) Cu 2+ (aq.) + H2 (g) to Cu(s) + 2H + (aq)
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Nov
Hall-Heroult’s process is given by (a) Cr2O3 + 2Al to Al2O3 + 2Cr (b) Cu 2+ (aq.) + H2 (g) to Cu(s) + 2H + (aq) Hall-Heroult's process is given by (a) Cr2O3 + 2Al to Al2O3 + 2Cr (b) Cu 2+ (aq.) + H2 (g) to Cu(s) + 2H + (aq) November 12, 2020 [...]
The correct statement regarding the given Ellingham diagram is (a) At 800 C, Cu can be used for the extraction of Zn from ZnO
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Nov
The correct statement regarding the given Ellingham diagram is (a) At 800 C, Cu can be used for the extraction of Zn from ZnO Cu can be used for the extraction of Zn from ZnO The correct statement regarding the given Ellingham diagram is (a) At 800 C November 12, 2020 Category: Uncategorised (JEE Advanced [...]
A steel wire of length 503‾√cm is connected to an aluminium wire of length 60cm and stretched between two fixed supports. The tension produced is 104N , if the cross section area of each wire is 1mm2 . If a transverse wave is set up in the wire, find the lowest frequency for which standing waves with node at the joint are produced . (density of aluminimum =2.6gm/cm3 and density of steel =7.8gm/cm3 ). is connected to an aluminium wire of length 60cm and stretched between two fixed supports. The tension produced is 104N , if the cross section area of each wire is 1mm2 . If a transverse wave is set up in the wire, find the lowest frequency for which standing waves with node at the joint are produced . (density of aluminimum =2.6gm/cm3 and density of steel =7.8gm/cm3 ).
12
Nov
A steel wire of length 503‾√cm is connected to an aluminium wire of length 60cm and stretched between two fixed supports. The tension produced is 104N , if the cross section area of each wire is 1mm2 . If a transverse wave is set up in the wire, find the lowest frequency for which standing [...]
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A steel wire of length 503‾√cm is connected to an aluminium wire of length 60cm and stretched between two fixed supports. The tension produced is 104N ,
if the cross section area of each wire is 1mm2 . If a transverse wave is set up in the wire ,
Two progressive wave are represented by the following equations ..y1=10sin2π(10t−0.1x) and y2=20sin2π(20t−0.2x). Find the ratio of their intensities ,
A steel wire of length 60 cm and area of cross section 10−6 m2 is joined with an aluminium wire of length 45 cm and area of cross section 3×10−6 m2. The composite string is stretched by a tension of 80 N. Density of steel is 7800 kg m−3 and that of aluminium is 2600 kg m−3. The minimum frequency of tuning fork, which can produce standing wave in it with node at the joint is
12
Nov
A steel wire of length 60 cm and area of cross section 10−6 m2 is joined with an aluminium wire of length 45 cm and area of cross section 3×10−6 m2. The composite string is stretched by a tension of 80 N. Density of steel is 7800 kg m−3 and that of aluminium is 2600 [...]
The ore that contains both iron and copper is (a) Malachite (b) Dolomite (c) Azurite (d) Copper pyrites
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Nov
The ore that contains both iron and copper is (a) Malachite (b) Dolomite (c) Azurite (d) Copper pyrites The ore that contains both iron and copper is (a) Malachite (b) Dolomite (c) Azurite (d) Copper pyrites November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which one of the following ores is best concentrated by froth floatation method (a) Siderite (b) Galena (c) Malachite (d) Magnetite
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Nov
Which one of the following ores is best concentrated by froth floatation method (a) Siderite (b) Galena (c) Malachite (d) Magnetite Which one of the following ores is best concentrated by froth floatation method (a) Siderite (b) Galena (c) Malachite (d) Magnetite November 12, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
In the context of the Hall – Heroult process for the extraction of Al, which of the following statements is false (a) CO and CO2 are produced in this process
12
Nov
In the context of the Hall – Heroult process for the extraction of Al, which of the following statements is false (a) CO and CO2 are produced in this process In the context of the Hall - Heroult process for the extraction of Al which of the following statements is false (a) CO and CO2 [...]
How much water must be added to 300 mL of 0.2 M solution of CH3 COOH(K)a=1.8×10^−5 for the degree of dissociation of the acid to double?
12
Nov
How much water must be added to 300 mL of 0.2 M solution of CH3 COOH(K)a=1.8×10^−5 for the degree of dissociation of the acid to double? How much water must be added to 300 mL of 0.2 M solution of CH3 COOH(K)a=1.8×10^−5 for the degree of dissociation of the acid to double? November 12, 2020 [...]
What concentration of HCOO− is present in a solution of weak of 0.01 M HCOOH (Ka=1.8×10^−4 and 0.01 M HCl?
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Nov
What concentration of HCOO− is present in a solution of weak of 0.01 M HCOOH (Ka=1.8×10^−4 and 0.01 M HCl? What concentration of HCOO− is present in a solution of weak of 0.01 M HCOOH (Ka=1.8×10^−4 and 0.01 M HCl? November 12, 2020 Category: Chapter 6 - Ionic Equilibrium (Level 1 and Level 2) , [...]