Description : The theory of relativity was proposed in a) 1920 b) 1915 c) 1905 d) 1895
Last Answer : c) 1905
Description : Which one of the following scientists regarded light as electromagnetic waves? a) Newton b) Galileo c) de Broglie d) Maxwell
Last Answer : d) Maxwell
Description : The concept that particles can behave like waves was given by a) Compton b) De-Broglie c) G.P. Thomson d) Germer
Last Answer : b) De-Broglie
Description : Uncertainty principle was presented by a) Dirac b)De Broglie c) Shrodinger d) W. Heisenberg
Last Answer : d) W. Heisenberg
Description : The concept of matter waves was introduced by a) Davisson and Germer b) de Broglie c) Einstein d) Schrodinger
Last Answer : b) de Broglie
Description : Who hypothesized that it would be impossible to know the exact location and exact momentum of a particle at the same time? Was it: w) Heisenberg x) De Broglie y) Planck z) Schrodinger
Last Answer : ANSWER: A -- HEISENBERG
Description : Who received the Nobel Prize in Physics in 1929 for his postulation of the wave nature of electrons?
Last Answer : ANSWER: (PRINCE LOUIS-VICTOR) De BROGLIE
Description : Who is awarded by noble prize for the discovery is neutron?
Last Answer : Chadwick
Description : In 1988 noble peace prize has been awarded to: (a) US (b) Anwar Sadat (c) Diego Cordovez (d) United Nations
Last Answer : (d) United Nations
Description : Who is awarded by noble prize for the discovery is neutron
Description : The Royal Swedish Academy of Sciences, awarded the Noble Prize in: A. Physics B. Economics C. Chemistry D. (a) and (c)
Last Answer : D. (a) and (c)
Description : Who won the Nobel Prize in Literature in 1915 ?
Last Answer : Roman Rolland of France won the Nobel Prize in Literature in 1915.
Description : Answer: Victor de Broglie.
Last Answer : What do you mean by orbitals?
Description : The de-Broglie wavelength of an electron moving in the nth Bohr orbit of radius ris given by
Last Answer : The de-Broglie wavelength of an electron moving in the nth Bohr orbit of radius ris given by A. `(2pir)/n` B. `npir` C. `(nr)/(2pi)` D. `(nr)/pi`
Description : If kinetic energy of a proton is increased nine times the wavelength of the de - Broglie wave associated with it would become :-
Last Answer : If kinetic energy of a proton is increased nine times the wavelength of the de - Broglie wave associated with it ... (3)` times D. `(1)/(9)` times
Description : The two paricles A and B have de Broglie wavelengths 1 nm and 5 nm respectively if mass of A is four times the mass of B, the ratio of kinetic energie
Last Answer : The two paricles A and B have de Broglie wavelengths 1 nm and 5 nm respectively if mass of A is four times the mass of ... : 4` C. `20 : 1` D. `5 : 4`
Description : If the total energy of an electron in a hydrogen atom in an exicted state is -3.4 eV , then the de- broglie wavelegth of the electron is :-
Last Answer : If the total energy of an electron in a hydrogen atom in an exicted state is -3.4 eV , then the de- broglie ... `5xx10^(-9)m` D. `9.3xx10^(-12)m`
Description : An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 eV. Calculate (a) the kinetic energy and (b) the de Broglie
Last Answer : An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 ... and (b) the de Broglie wavelength of the electron.
Description : De Broglie equation is (a) h/mv = 1 (b) E1 – E2 = hv (c) C = 1v (d) n1 = 2d sin q
Last Answer : Ans:(a)
Description : The de Broglie equation is (a) h/mv = 1 (b) hv = E2 - E1 (c) n 1 = 2d sin (d) c = hv
Description : Bohr's theory of fixed orbits contradicts (a) Coulomb's law (b) Planck's theory (c) de Broglie relation (d) Uncertainty principle
Last Answer : Ans:(d)
Description : Who proposed first atomic theory? (1) E.Rutherford (2) De Broglie (3) John Dalton (4) D.I.Mendeleef
Last Answer : (3) John Dalton Explanation: Democritus first suggested the existence of the atom but it took almost two millennia before the atom was placed on a solid foothold as a fundamental chemical object by John Dalton (1766-1844).
Description : Who proposed first atomic theory? (1) E. Rutherford (2) De Broglie (3) John Dalton (4) D. I. Mendeleev
Description : Matter waves are – (1) de Broglie waves (2) Electromagnetic waves (3) Transverse waves (4) Longitudinal waves
Last Answer : (1) de Broglie waves Explanation: In mechanics, matter waves or de Broglie waves reflects the wave-particle duality of matter. The de Broglie relations show that the wavelength is inversely proportional to the momentum of a particle and is also called de Broglie wavelength.
Description : First Atomic theory was proposed by? A. John Dalton (Answer) B. E.Rutherford C. De Broglie D. D.I.Mendeleef
Last Answer : A. John Dalton (Answer)
Description : here are two types of diffraction Fresnel and __________. A. Michelson B. De Broglie C. Fraunhofer D. Huygens
Last Answer : C. Fraunhofer
Description : Which of the following scientists hypothesized that it would be possible for particles to have wave-like properties ? Was it: w) Planck x) Heisenberg y) Einstein z) de Broglie
Last Answer : ANSWER: Z -- DE BROGLIE
Description : Matter waves are (1) de Broglie waves (2) Electromagnetic waves (3) Transverse waves (4) Longitudinal waves
Last Answer : de Broglie waves
Description : Work done by a uniform magnetic field in moving a charged particle in a circular path is a) qvB sin θ b) mg sin θ c) zero d) mg cos θ
Last Answer : Zero
Description : Who won the Nobel Prize in Literature in 1905 ?
Last Answer : : Henrik Sien Kwich of Poland, who won the Nobel Prize in Literature in 1905.
Description : Sir C.V. Raman was awarded Nobel Prize for his work connected with which of the following phenomenon of radiation? (1) Scattering (2) Diffraction (3) Interference (4) Polarization
Last Answer : (1) Scattering Explanation: Sir C.V. Raman was awarded Nobel Prize for his work scattering of radiation. Sir Chandrashekhara Venkata Raman was an Indian physicist born in the former Madras Province in India.
Description : Brazilian physicist and astronomer_______ was awarded the 2019 Templeton prize, worth $1.4 million, for his work blending science and spirituality
Last Answer : Marcelo Gleiser
Description : de Broglie’s relation for matter waves was experimentally verified by: a) Davisson b) Germer c) G.P. Thomson d) All the these
Last Answer : c) G.P. Thomson
Description : A smallest three dimensional part of a crystal lattice is called. a) A particle b) A molecules c) A unit cell d) An atom
Last Answer : c) A unit cell
Description : An α particle moves perpendicular to a constant magnetic field of strength 1.2 T in a circular path of radius 0.7 m. The speed of α particle in ms-1 is ______________ a) 2.7 × 107 b) 2.6 × 107 c) 3.2 × 107 d) 2.0 × 107
Last Answer : a) 2.7 × 107
Description : A proton and a α particle enter a region having a perpendicular uniform magnetic field. The ratio of time period of proton (τp) to time period of α particle (τα) is a) 1:4 b) 4:1 c) 2:1 d) 1:2
Last Answer : d) 1:2
Description : Who won the Nobel Prize in Literature in 1929 ?
Last Answer : Received the Nobel Prize in Literature in 1929: Thomas Mann
Description : This person was awarded the Nobel Peace Prize for his role in making an Arab-Israeli peace in 1949?
Last Answer : The African-American and United Nations (UN) official Ralph Bunche.
Description : The director Ilya Krzhanovsky has been shooting the film Dau since 2006 on a set near Kharkhov and has inspired much attention on account of his fanatical attempts at re-creating 50s and 60s Moscow, home to ... -crash and the Nobel he had won had to be awarded to him in a bedside ceremony. Who?
Last Answer : Lev Landau.
Description : Name the German theoretical physicist who was awarded the Nobel prize for his principle of radiation which states that radiant energy is composed of tiny bits of energy called quanta, the magnitude of which can be calculated by multiplying the frequency of the radiation times a universal constant?
Last Answer : ANSWER: (MAX) PLANCK
Description : The 1936 Nobel Prize in chemistry was awarded to Peter J.W. Debye for his studies of: w) kinetic energy of colliding particles x) electron configuration y) dipole moments z) conformations of cyclohexane
Last Answer : ANSWER: Y -- DIPOLE MOMENTS
Description : Prof. Amartya Sen was awarded Nobel Prize for his contribution to the field of (1) food and famines (2) welfare economics (3) Indian economy (4) poverty
Last Answer : welfare economics
Description : Amartya Sen was awarded the Nobel Prize for his contribution to (1) Monetary Economics (2) Welfare Economics (3) Econometrics (4) Development Economics
Last Answer : Welfare Economics
Description : Max Planck received the noble prize in Physics in 1918 for his discovery of ? A. electron B. energy quanta (Answer) C. photon D. positron
Last Answer : B. energy quanta (Answer)
Description : Pulitzer prize is awarded for outstanding work in the field of -Awards
Last Answer : Literature and Journalism
Description : Pulitzer prize is awarded for outstanding work in which field? -General Knowledge
Last Answer : The answer is 'Literature and Journalism'
Last Answer : answer:
Description : The 1992 Nobel Prize for medicine was awarded to Edmond H. Fischer and Edwin J. Krebs for their work concerning (a) reversible protein phosphorylation as a biological regulation mechanism (b) ... (c) human genome project (d) drug designing involving inhibition of DNA synthesis of the pathogen.
Last Answer : (a) reversible protein phosphorylation as a biological regulation mechanism
Description : This female American geneticist achieved recognition as one of the world's foremost investigators in cytogenetics, the study of heredity by cellular and genetic methods. In 1951 she discovered that gene ... was awarded the Nobel Prize in medicine in 1983. Who is this notable woman scientist?
Last Answer : ANSWER: (BARBARW) McCLINTOCK
Description : Xorn in Prague, Czechoslovakia, in 1896, this woman scientist received her MD from the German University in Prague. After moving to Washington University in the United States, she and her husband ... for their discovery of the course of the catalytic conversion." Name this esteemed woman scientist.
Last Answer : ANSWER: (GERTY) RADNITZ CORI