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Which of these is not a monomer for a high molecular mass silicone polymer (a) PbSiCl3 (b) MeSiCl3 (c) Me2SiCl2 (d) Me3SiCl
17
Nov
Which of these is not a monomer for a high molecular mass silicone polymer (a) PbSiCl3 (b) MeSiCl3 (c) Me2SiCl2 (d) Me3SiCl Which of these in not a monomer for a high molecular mass silicone polymer (a) PbSiCl3 (b) MeSiCl3 (c) Me2SiCl2 (d) Me3SiCl November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma [...]
At constant temperature, the equilibrium constant (Kp) the decomposition reaction, N2O4⇌NO2, is expressed by Kp = 4x^2p/(1−x^2), where, p = pressure, x = extent of decomposition. Which one of the following statement is true ?
17
Nov
At constant temperature, the equilibrium constant (Kp) the decomposition reaction, N2O4⇌NO2, is expressed by Kp = 4x^2p/(1−x^2), where, p = pressure, x = extent of decomposition. Which one of the following statement is true ? At constant temperature is expressed by Kp = 4x^2p/(1−x^2) N2O4⇌NO2 p = pressure the equilibrium constant (Kp) the decomposition reaction [...]
The basic structural unit of silicates is (a) SiO4 2- (b) SiO – (c) SiO4 4- (d) SiO3 2-
17
Nov
The basic structural unit of silicates is (a) SiO4 2- (b) SiO – (c) SiO4 4- (d) SiO3 2- The basic structural unit of silicates is (a) SiO4 2- (b) SiO - (c) SiO4 4- (d) SiO3 2- November 17, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
A light ray is incident on a prism in minimum deviation position and suffers a deviation of 40^o . If the shaded half of the prism is removed off, then the same ray will suffer a deviation of :
17
Nov
A light ray is incident on a prism in minimum deviation position and suffers a deviation of 40^o . If the shaded half of the prism is removed off, then the same ray will suffer a deviation of : A light ray is incident on a prism in minimum deviation position and suffers a deviation [...]
A ray of light is incident at an angle of incidence i, on one surface of a prism of angle A and emerges normally from the opposite face. If the refractive index of the material of the prism is μ, the angle of incidence i, is nearly equal to
17
Nov
A ray of light is incident at an angle of incidence i, on one surface of a prism of angle A and emerges normally from the opposite face. If the refractive index of the material of the prism is μ, the angle of incidence i, is nearly equal to A ray of light is incident [...]
Three prisms 1, 2 and 3 have the prism angle A=6^∘, but their refractive indices are respectively 1.4, 1.5 and 1.6. If δ1,δ2,δ3 be their respective angles of deviation then
17
Nov
Three prisms 1, 2 and 3 have the prism angle A=6^∘, but their refractive indices are respectively 1.4, 1.5 and 1.6. If δ1,δ2,δ3 be their respective angles of deviation then 1.5 and 1.6. If δ1 2 and 3 have the prism angle A=6^∘ but their refractive indices are respectively 1.4 Three prisms 1 δ2 δ3 [...]
When a glass prism of refracting angle 60^o is immersed in a liquid its angle of minimum deviation is 30^o. The critical angle of glass with respect to the liquid medium is:
17
Nov
When a glass prism of refracting angle 60^o is immersed in a liquid its angle of minimum deviation is 30^o. The critical angle of glass with respect to the liquid medium is: When a glass prism of refracting angle 60^o is immersed in a liquid its angle of minimum deviation is 30^o. The critical angle [...]
Which of the following oxidation states are the most characteristic for lead and tin respectively (a)+4, +2 (b) +2, +4 (c) +4, +4
17
Nov
Which of the following oxidation states are the most characteristic for lead and tin respectively (a)+4, +2 (b) +2, +4 (c) +4, +4 +2 (b) +2 +4 (c) +4 4 Which of the following oxidation states are the most characteristic for lead and tin respectively (a)+4 November 17, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
Consider the following equilibrium in a closed container N2O4(g)⇌2NO2(g) At a fixed temperature, the volume of the reaction container is halved. For this change, which of the following statements hold true regarding the equilibrium constant (Kp) and degree of dissociation (α) ?
17
Nov
Consider the following equilibrium in a closed container N2O4(g)⇌2NO2(g) At a fixed temperature, the volume of the reaction container is halved. For this change, which of the following statements hold true regarding the equilibrium constant (Kp) and degree of dissociation (α) ? Consider the following equilibrium in a closed container N2O4(g)⇌2NO2(g) At a fixed temperature [...]
The maximum value of index of refraction of a material of a prism which allows the passage of light through it when the refracting angle of prism is A is
17
Nov
The maximum value of index of refraction of a material of a prism which allows the passage of light through it when the refracting angle of prism is A is The maximum value of index of refraction of a material of a prism which allows the passage of light through it when the refracting angle [...]