Description : What hydrohen-like ion has the wave-length difference between the first lines of the Balmer and Lyman series equal to `593 Å`.
Last Answer : What hydrohen-like ion has the wave-length difference between the first lines of the Balmer and Lyman series equal to `593 Å`.
Description : Whenever a photon is emitted by hydrogen in balmer series it is followed by another in lyman series what wavelength does this latter photon correspond
Last Answer : Whenever a photon is emitted by hydrogen in balmer series it is followed by another in ... what wavelength does this latter photon correspond to?
Description : The first Hydrogen spectral series was identified , in 1885, by a) J.R.Rydberg b) J.J.Balmer c) Theodore Lyman d) F. S. Brackett
Last Answer : b) J.J.Balmer
Description : For the hydrogen atom, which series describes electron transitions to the N = 2 orbit? Is it the: w) Lyman series x) Paschen series y) Balmer series z) Pfund series
Last Answer : ANSWER: Y -- BALMER SERIES
Description : For the hydrogen atom, which series describes electron transitions to the N=1 orbit, the lowest energy electron orbit? Is it the: w) Lyman series x) Balmer series y) Paschen series z) Pfund series
Last Answer : ANSWER: W -- LYMAN SERIES
Description : Calculate the wavelengths of the member of Lyman, Balmer and Paschen series.
Last Answer : Calculate the wavelengths of the member of Lyman, Balmer and Paschen series.
Description : Which series lies in the Ultraviolet region? a) Lyman series b) Paschen series c) Brackett serie d) Balmer series
Last Answer : a) Lyman series
Description : The only series which lies in the visible region of the electromagnetic spectrum is a) Paschen series b) Lyman series c) Balmer series d) Pfund series
Last Answer : b) Lyman series
Description : The line with smallest wavelength in the Balmer series in the hydrogen spectrum will have the frequency :-
Last Answer : The line with smallest wavelength in the Balmer series in the hydrogen spectrum will have the frequency :- A. `8. ... 1)` D. `8.05xx10^(13)s^(-1)`
Description : Find longest wavelength in Lyman series of hydrogen atom spectrum.
Last Answer : Find longest wavelength in Lyman series of hydrogen atom spectrum. A. 1216Å B. 216Å C. 1016Å D. 116Å
Description : The results obtained by the Balmer were formulated, in 1896, by a) Theodore Lyman b) F. S. Brackett c) J.R.Rydberg d) J.J.Balmer
Last Answer : c) J.R.Rydberg
Description : A stationary helium ion emits a photon corresponding to the first line of Lyman series. That photon liberates a photoelectron form a stationary hydrog
Last Answer : A stationary helium ion emits a photon corresponding to the first line of Lyman series. That ... and ionisation energy of hydrogen atom=13.6ev.
Description : The wavelength of first member ofBalmer Series is 6563 Å. Calculate the wavelength of second member of Lyman series.
Last Answer : The wavelength of first member ofBalmer Series is 6563 Å. Calculate the wavelength of second member of Lyman ... B. 2050Å C. 6563Å D. none of these
Description : The region where the Lyman series contains the wavelength 1∕ λ = RH [1/ 12 – 1/ n2 ] is a) visible region b) infrared region c) ultraviolet region d ) none of these
Last Answer : c) ultraviolet region
Description : The energy corresponding to second line of Balmer series for hydrogen atom will be :-
Last Answer : The energy corresponding to second line of Balmer series for hydrogen atom will be :- A. 12.1 eV B. 1.89 eV C. 2.55 eV D. 13.6 eV
Description : A stationary hydrogen atom emits a photon corresponding to the first line of the Lyman series. What is the velocity of recoil of the atom? `(m_(H)=1.6
Last Answer : A stationary hydrogen atom emits a photon corresponding to the first line of the Lyman series. What is the velocity ... `(m_(H)=1.672xx10^(-27) kg)`
Description : In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie? (1) Visible (2) Infrared (3) Ultraviolet (4) X-ray
Last Answer : (3) Ultraviolet
Description : In which region of electromagnetic spectrum does the Lyman series of hydrogen atom lie ? (1) Visible (2) Infrared (3) Ultraviolet (4) X-ray
Last Answer : Ultraviolet
Description : Find the binding energy of an electron in the ground state of a hydrogen like atom in whose spectrum the third Balmer line is equal to 108.5 mm.
Last Answer : Find the binding energy of an electron in the ground state of a hydrogen like atom in whose spectrum the third Balmer line is equal to 108.5 mm.
Description : The first emission line of Balmer series in `He^(+)` - spectrum has the wave no .in `(Cm^(_1))` (R-Rydberg constant)
Last Answer : The first emission line of Balmer series in `He^(+)` - spectrum has the wave no .in `(Cm^(_1))` (R-Rydberg constant ... )` C. `(5R)/(36)` D. `(R)/(6)`
Description : An aircraft is attempting to home to a VOR on the 064 radial. The CDI shows 4 dots fly right with a TO indication. At the same time the co-located DME shows a range of 45nm. Where is the aircraft in relation ... right of track b. 3nm right of track c. 6nm left of track d. 3nm left of track
Last Answer : c. 6nm left of track
Description : What is actual length in feet of a one-half wavelength of a coax with a velocity factor of 0.59 at 26 MHz? A. 11.16 B. 40.29 C. 42.46 D. 46.28
Last Answer : A. 11.16
Description : A gas of hydrogen like ions is prepared in a particular excited state A if emit photons havingwavelength equal to the wavelength of the first line of
Last Answer : A gas of hydrogen like ions is prepared in a particular excited state A if emit photons ... find the principal quantum number of the stateA`
Description : The octahedral complex of a metal ion `M^(3+)` with four monodentate ligands `L_(1),L_(2),L_(3) and L_(4)` absorb wavelength in the region of red, gre
Last Answer : The octahedral complex of a metal ion `M^(3+)` with four monodentate ligands `L_(1),L_(2),L_(3) and L_(4)` ... `L_(1) lt L_(2) lt L_(4) lt L_(3)`
Description : A positive ion having just one electron ejected it if a photon of wavelength `228Å` or lose is absorbed by it identify the ion
Last Answer : A positive ion having just one electron ejected it if a photon of wavelength `228Å` or lose is absorbed by it identify the ion
Description : The wave nature of electrons was EXPERIMENTALLY verified by: w) Einstein x) Davisson and Germer y) Balmer z) Bohr.
Last Answer : ANSWER: X -- DAVISSON AND GERMER
Description : When 10 cells in series are connected to the ends of a resistance of `59 Omega`, the current is found to be 0.25 A, but when the same cells after bein
Last Answer : When 10 cells in series are connected to the ends of a resistance of `59 Omega`, the ... Calculate the internal resistance and emf of each cell.
Description : Find the missing number in the series: 60 59 57 54 50 _________. A. 45 B. 47 C. 44 D. 43
Last Answer : ANSWER: A
Description : In the series 1, 5, 13, 25, 41, ……., the next term is (A) 59 (B) 63 (C) 61 (D) 68
Last Answer : Answer: C
Description : In the series 3, 11, 23, 39, 59, ..........., The next term will be (A) 63 (B) 73 (C) 83 (D) 93
Description : Calculate the Rydberg constant `R` if `He^(+)` ions are known to have the wavelength difference between the first (of the longest wavelength) lines of
Last Answer : Calculate the Rydberg constant `R` if `He^(+)` ions are known to have the wavelength difference between ... series equal to `Delta lambda = 133.7nm`.
Description : Where can I find video from the PBS broadcast of the 1972 Chess Championships with Shelby Lyman as the broadcaster?
Last Answer : I’d try contacing PBS headquarters and seeing which local station produced it, then calling them. Or perhaps PBS has it in their archives, or know where it might be archived.
Description : Can you identify this Lyman Brother signed and numbered print?
Last Answer : Larry King, 87, American Hall of Fame broadcaster (Larry King Live, Larry King Now, Politicking with Larry King)
Description : pH is defined as the negative logarithm of the hydrogen ion concentration. Comparing a pH 5 and a pH 8 solution, which of the following is true? w) There are 1,000 times more hydrogen ions in ... . z) Cannot tell the difference between these two solutions by pH, since the numbers are so close.
Last Answer : ANSWER: X -- THERE ARE 1,000 TIMES MORE HYDROGEN IONS IN THE PH 5 SOLUTION
Description : The main plate of a transit is divided into 1080 equal divisions. 60 divisions of the Vernier coincide exactly with 59 divisions of the main plate. The transit can read angles accurate upto (A) 5" (B) 10" (C) 15" (D) 20"
Last Answer : (D) 20"
Description : A gas of hydrogen - like ion is perpendicular in such a way that ions are only in the ground state and the first excite state. A monochromatic light o
Last Answer : A gas of hydrogen - like ion is perpendicular in such a way that ions are only in the ... Calculate the values of the maximum and minimum wavelengths.
Description : Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be - (1) 2 (2) 6 (3) 5 (4) 3
Last Answer : (2) 6 Explanation: Number of spectral lines from a state n to ground state is = n (n-1)/2 =4(4-1)/2 =12/2 =6
Description : There are two properties of the cell necessary to maintain nonequilibrium cellular composition; the first is selectivity and the second is energy conversion. Which of the following statement(s ... transported via secondary active transport include hydrogen ions, calcium, amino acids and glucose
Last Answer : Answer: c, d The selectivity of the plasma membrane, although impressive, cannot account for the nonequilibrium composition of living cells. A cell can be maintained in a nonequilibrium state only by ... to drive the transport of a second species such as protons, calcium, amino acids, or glucose
Description : Which of the following statements describes the first step in the mechanism of the aldol condensation? (a) An alpha hydrogen is abstracted by the base to form an enolate anion. (b) A nucleophilic base attacks ... by the base ion. (d) The alpha hydrogen is abstracted by an acid to the enolate anion.
Last Answer : An alpha hydrogen is abstracted by the base to form an enolate anion
Description : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength of the radiation to excite the electron in `Li^(++)`from
Last Answer : A double ionised lithium atom is hydrogen like with atomic number `3` (i)Find the wavelength ... the emission spectrum of the above excited system ?
Description : What is the relationship between the pH and in hydrogen ion concentration?
Last Answer : The pH is the cologarithm of concentration (more correct activity) of hydrogen ions in a solution.
Description : What is a chemical system that prevents changes in hydrogen ion concentration?
Last Answer : This is called a buffer system. It resists changes in [H+]concentration, which is the same as saying it resists changes inpH.
Description : What is another word used to describe a hydrogen ion?
Last Answer : Need answer
Description : What will most likely happen is a toxin causes the hydrogen ion pump to stop moving h plus ions outside the mitochondrial membranes of the bird's cells?
Description : In a hydrogen ion pump the energy is used to join small molecules together to make larger ones which factor most likely has the greatest effect on the number of molecules mitochondria can produced?
Last Answer : the amount of energy the flowing H+ ions have
Description : In a solution having a pH of 7.4, the hydrogen ion concentration is (A) 7.4 nmol/L (B) 40 nmol/L (C) 56 nmol/L (D) 80 nmol/L
Last Answer : Answer : B
Description : PH is the negative logarithm of the hydrogen Ion Concentration express4ed in moles/liter of aqueous solution. PH of buffer solution is calculated by. Henderson's equation Name the best ... Chemical kinetics deals with study of. Rates and mechanisms of chemical and Biochemical reactions
Last Answer : What does Thermodynamics helps in predicting ?