Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
In an experiment the initial number of radioactive nuclei is 3000. It is found that 1000±40 nuclei decayed in the 1.0 s. For ∣x∣<<1, in (1+x)=x up to first power in x. The error Δλ, in the determination of the decay constant λ, is s −1 , is
12
Feb
In an experiment the initial number of radioactive nuclei is 3000. It is found that 1000±40 nuclei decayed in the 1.0 s. For ∣x∣<<1, in (1+x)=x up to first power in x. The error Δλ, in the determination of the decay constant λ, is s −1 , is in (1+x)=x up to first power in [...]
In the presence of a dilute base C6H5CHO and CH3CHO react together to give a product. The product is (a) C6H5CH3 (b) C6H5CH2CH2OH (c) C6H5CH2OH
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Feb
In the presence of a dilute base C6H5CHO and CH3CHO react together to give a product. The product is (a) C6H5CH3 (b) C6H5CH2CH2OH (c) C6H5CH2OH In the presence of a dilute base C6H5CHO and CH3CHO react together to give a product. The product is (a) C6H5CH3 (b) C6H5CH2CH2OH (c) C6H5CH2OH February 12, 2021 Category: Uncategorised [...]
Rate of diffusion of a gas is : (a) directly proportional to its density (b) Directly proportional to its molecular weight (c) Directly proportional to teh square root of its molecular weight (d) Inversely proportional to the square root of its molecular weight
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Feb
Rate of diffusion of a gas is : (a) directly proportional to its density (b) Directly proportional to its molecular weight (c) Directly proportional to teh square root of its molecular weight (d) Inversely proportional to the square root of its molecular weight As the temperature is reaised from 20 degree to 40 degree C [...]
Which of the following organic compounds exhibits positive Fehling test as well as iodoform test (a) Methanal (b) Ethanol (c) Propanone (d) Ethanal
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Feb
Which of the following organic compounds exhibits positive Fehling test as well as iodoform test (a) Methanal (b) Ethanol (c) Propanone (d) Ethanal Which of the following organic compounds exhibits positive Fehling test as well as iodoform test (a) Methanal (b) Ethanol (c) Propanone (d) Ethanal February 12, 2021 Category: Uncategorised (JEE Advanced Physics by [...]
The aldol condensation reaction is given by (a) Acetophenone (b) Benzaldehyde (c) Benzophenone (d) Trichloroacetaldehyde
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Feb
The aldol condensation reaction is given by (a) Acetophenone (b) Benzaldehyde (c) Benzophenone (d) Trichloroacetaldehyde The aldol condensation reaction is given by (a) Acetophenone (b) Benzaldehyde (c) Benzophenone (d) Trichloroacetaldehyde February 12, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
When an ideal gas undergoes unrestrained expansion , no cooling occurs because the molecules
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Feb
When an ideal gas undergoes unrestrained expansion , no cooling occurs because the molecules no cooling occurs because the molecules When an ideal gas undergoes unrestrained expansion February 12, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A bottle of ammmonia and a bottle of dry hydrogen chloride connected through a long tube are opened simulatneoulsy at both ends , the white ammonia chloride ring formed will be
12
Feb
A bottle of ammmonia and a bottle of dry hydrogen chloride connected through a long tube are opened simulatneoulsy at both ends , the white ammonia chloride ring formed will be A bottle of ammmonia and a bottle of dry hydrogen chloride connected through a long tube are opened simulatneoulsy at both ends the white [...]
The vander waal’s constant ‘a’ for teh gases O2, N2 , NH3 and CH4 are 1.3 , 1.390 , 4.170 and 2.253 L^2 atm/mol^2 respectively. THe gas which can be most easily liquified is
12
Feb
The vander waal’s constant ‘a’ for teh gases O2, N2 , NH3 and CH4 are 1.3 , 1.390 , 4.170 and 2.253 L^2 atm/mol^2 respectively. THe gas which can be most easily liquified is 1.390 4.170 and 2.253 L^2 atm/mol^2 respectively. THe gas which can be most easily liquified is n2 NH3 and CH4 are [...]
Same mass of CH4 and H2 is taken in container . The partial pressure caused by H2 is (a) 8/9 (b) 1/9 (c) 1/2 (d) 1
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Feb
Same mass of CH4 and H2 is taken in container . The partial pressure caused by H2 is (a) 8/9 (b) 1/9 (c) 1/2 (d) 1 Same mass of CH4 and H2 is taken in container . The partial pressure caused by H2 is (a) 8/9 (b) 1/9 (c) 1/2 (d) 1 February 12, 2021 [...]
If C1, C2 , C3 ……….. represent the speeds of n1, n2 n3 ………….. molecules, then the root mean square speed is
12
Feb
If C1, C2 , C3 ……….. represent the speeds of n1, n2 n3 ………….. molecules, then the root mean square speed is C2 C3 ........... represent the speeds of n1 If C1 n2 n3 .............. molecules then the root mean square speed is February 12, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + [...]