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The wave number of the spectral line in the emission spectrum of hydrogen will be equal to 8//9 times the Rydberg’s constant if the electron jumps from……….
27
Nov
The wave number of the spectral line in the emission spectrum of hydrogen will be equal to 8//9 times the Rydberg’s constant if the electron jumps from………. The wave number of the spectral line in the emission spectrum of hydrogen will be equal to 8//9 times the Rydberg's constant if the electron jumps from.......... November [...]
The colour of sky is due to (a) Absorption of light by atmospheric gases (b) Transmission of light (c) Wavelength of scattered light (d) All of these
27
Nov
The colour of sky is due to (a) Absorption of light by atmospheric gases (b) Transmission of light (c) Wavelength of scattered light (d) All of these The colour of sky is due to (a) Absorption of light by atmospheric gases (b) Transmission of light (c) Wavelength of scattered light (d) All of these November [...]
In photoelectric effect , the kinetic energy of photoelectrons increases linearly with the
27
Nov
In photoelectric effect , the kinetic energy of photoelectrons increases linearly with the In photoelectric effect the kinetic energy of photoelectrons increases linearly with the November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
Hydrogen is evolved by the action of cold dil. HNO3 on (a) Fe (b) Mn (c) Cu (d) Al
27
Nov
Hydrogen is evolved by the action of cold dil. HNO3 on (a) Fe (b) Mn (c) Cu (d) Al Hydrogen is evolved by the action of cold dil. HNO3 on (a) Fe (b) Mn (c) Cu (d) Al November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,
In the metallurgy of aluminium, cryolite is mixed in the molten state because it (a) Increases the melting point of alumina (b) Oxideses alumina
27
Nov
In the metallurgy of aluminium, cryolite is mixed in the molten state because it (a) Increases the melting point of alumina (b) Oxideses alumina cryolite is mixed in the molten state because it (a) Increases the melting point of alumina (b) Oxideses alumina In the metallurgy of aluminium November 27, 2020 Category: Uncategorised (JEE Advanced [...]
A circular plate of uniform thickness has a diameter of 28 cm. A circular portion of diameter 21 cm is removed from the plate as shown. Origin is the center of mass of complete plate. The position of center of remaining portion will shift toward left from origin by
27
Nov
A circular plate of uniform thickness has a diameter of 28 cm. A circular portion of diameter 21 cm is removed from the plate as shown. Origin is the center of mass of complete plate. The position of center of remaining portion will shift toward left from origin by A man places a chain of [...]
Which of the following pair will not produce dihydrogen gas (a) Cu + HCl (dil.) (b) Fe + H2SO4 (c) Mg + steam
27
Nov
Which of the following pair will not produce dihydrogen gas (a) Cu + HCl (dil.) (b) Fe + H2SO4 (c) Mg + steam Which of the following pair will not produce dihydrogen gas (a) Cu + HCl (dil.) (b) Fe + H2SO4 (c) Mg + steam November 27, 2020 Category: Uncategorised (JEE Advanced Physics by [...]
What is the maximum no. of emission lines obtained when the excited electrons of a hydrogen atom in n = 5 drop to ground state
27
Nov
What is the maximum no. of emission lines obtained when the excited electrons of a hydrogen atom in n = 5 drop to ground state What is the maximum no. of emission lines obtained when the excited electrons of a hydrogen atom in n = 5 drop to ground state November 27, 2020 Category: Uncategorised [...]
Solubility of iodine in water is greatly increased by the addition of iodide ions because of the formation of (a) I2 (b) I3 (c) I3 – (d) I-
27
Nov
Solubility of iodine in water is greatly increased by the addition of iodide ions because of the formation of (a) I2 (b) I3 (c) I3 – (d) I- Solubility of iodine in water is greatly increased by the addition of iodide ions because of the formation of (a) I2 (b) I3 (c) I3 - (d) [...]
Which one of the following configuration represents a noble gas (a) 1s2, 2s2 2p6, 3s2 (b) 1s2, 2s2 2p6, 3s1
27
Nov
Which one of the following configuration represents a noble gas (a) 1s2, 2s2 2p6, 3s2 (b) 1s2, 2s2 2p6, 3s1 2s2 2p6 3s1 3s2 (b) 1s2 Which one of the following configuration represents a noble gas (a) 1s2 November 27, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) ,