Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
Estimate the wavelength at which plasma reflection will occur for a metal having the density of electrons N≈4×10 27 m −3 Take ϵ 0 ≈10 −11 and m≈10 −30 , where these quantities are in proper SI units.
12
Feb
Estimate the wavelength at which plasma reflection will occur for a metal having the density of electrons N≈4×10 27 m −3 Take ϵ 0 ≈10 −11 and m≈10 −30 , where these quantities are in proper SI units. Estimate the wavelength at which plasma reflection will occur for a metal having the density of [...]
Formalin is (a) HCHO (b) CH3CHO (c) HCOOH (d) CH3COOH
12
Feb
Formalin is (a) HCHO (b) CH3CHO (c) HCOOH (d) CH3COOH Formalin is (a) HCHO (b) CH3CHO (c) HCOOH (d) CH3COOH February 12, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Acetone and chloroform reacts to produce (a) CH3COOC2H5 (b) CH3CHO (c) (CH3)2C(OH)CCl3 (d) HCHO
12
Feb
Acetone and chloroform reacts to produce (a) CH3COOC2H5 (b) CH3CHO (c) (CH3)2C(OH)CCl3 (d) HCHO Acetone and chloroform reacts to produce (a) CH3COOC2H5 (b) CH3CHO (c) (CH3)2C(OH)CCl3 (d) HCHO February 12, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
The root mean square velocity of an ideal gas at constant pressure varies with density (d) as (a) d^2 (b) d (c) root d (d) 1/root d
12
Feb
The root mean square velocity of an ideal gas at constant pressure varies with density (d) as (a) d^2 (b) d (c) root d (d) 1/root d The root mean square velocity of an ideal gas at constant pressure varies with density (d) as (a) d^2 (b) d (c) root d (d) 1/root d February [...]
The rms velocity of hydrogen is root 7 times the rms velocity nitrogen. If T is the temperature of the gas , then
12
Feb
The rms velocity of hydrogen is root 7 times the rms velocity nitrogen. If T is the temperature of the gas , then The rms velocity of hydrogen is root 7 times the rms velocity nitrogen. If T is the temperature of the gas then February 12, 2021 Category: Uncategorised (JEE Advanced Physics by BM [...]
A to CH2 = C = O, Reagent ‘A’ in the reaction is (a) CH3CH2CHO (b) CH3CHO (c) (d) C2H5OH
12
Feb
A to CH2 = C = O, Reagent ‘A’ in the reaction is (a) CH3CH2CHO (b) CH3CHO (c) (d) C2H5OH A to CH2 = C = O Reagent 'A' in the reaction is (a) CH3CH2CHO (b) CH3CHO (c) (d) C2H5OH February 12, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Which of the following reagents is used to distinguish acetone and acetophenone (a) NaHSO3 (b) Grignard reagent (c) Na2SO4 (d) NH4Cl
12
Feb
Which of the following reagents is used to distinguish acetone and acetophenone (a) NaHSO3 (b) Grignard reagent (c) Na2SO4 (d) NH4Cl Which of the following reagents is used to distinguish acetone and acetophenone (a) NaHSO3 (b) Grignard reagent (c) Na2SO4 (d) NH4Cl February 12, 2021 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP [...]
A gas is said to behave like an ideal gas when the relation PV/T = constant . when do you expect a real gas to behave like an ideal gas
12
Feb
A gas is said to behave like an ideal gas when the relation PV/T = constant . when do you expect a real gas to behave like an ideal gas A gas is said to behave like an ideal gas when the relation PV/T = constant . when do you expect a real gas to [...]
Arrange the Vander Waal’s constant for the gas (a) I – A , II – D , III – C , IV – B (b) I – D , II – A , III – B , IV – C (c) I – C , II – D , III – A , IV – B (d) I – B , II – C , III- A , IV – D
12
Feb
Arrange the Vander Waal’s constant for the gas (a) I – A , II – D , III – C , IV – B (b) I – D , II – A , III – B , IV – C (c) I – C , II – D , III – A , IV – [...]
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Arrange the Vander Waal's constant for the gas (a) I - A ,
II - A ,
II - C ,
II - D ,
III - A ,
III - B ,
III - C ,
IV - B (b) I - D ,
IV - B (d) I - B ,
IV - C (c) I - C ,
IV - D ,
THe compressibility of a gas is less than unity at S.T.P. therefore, (a) Vm > 22.4 litres (b) Vm < 22.4 litres (c) Vm = 22.4 litres (d) Vm = 44.8 litres
12
Feb
THe compressibility of a gas is less than unity at S.T.P. therefore, (a) Vm > 22.4 litres (b) Vm < 22.4 litres (c) Vm = 22.4 litres (d) Vm = 44.8 litres (a) Vm > 22.4 litres (b) Vm < 22.4 litres (c) Vm = 22.4 litres (d) Vm = 44.8 litres THe compressibility of [...]