Description : Electron was discovered by (1) Ernest Rutherford (2) Max Planck (3) Joseph Thomson (4) Albert Einstein
Last Answer : Joseph Thomson
Description : “Plum Pudding Model” for an atom was proposed by (a) Antoine Lavoisier (b) Robert Boyle (c) Ernest Rutherford (d) J. J. Thomson
Last Answer : Ans:(d)
Description : Radioactivity was discovered by (1) Rutherford (2) Henri Becquerel (3) Roentgen (4) Einstein
Last Answer : Henri Becquerel
Description : Radioactivity was discovered by (1) J.J. Thomson (2) W.Roentgen (3) H.Becquerel (4) M. Curie
Last Answer : (3) H.Becquerel Explanation: Antoine-Henri Becquerel is known for his discovery of radioactivity, for which he received the Nobel Prize for Physics in 1903. Unstable atomic nuclei will spontaneously decompose to form nuclei with a higher stability.
Description : The phenomenon of radioactivity was discovered by (A) Madam Curie (B) Becquerel (C) Roentgen (D) J.J. Thomson
Last Answer : (B) Becquerel
Description : Who invented Radar? (1) J. H. Van Tassel (2) Wilhelm K. Roentgen (3) P. T. Farnsworth (4) A. H. Taylor and Leo C. Young
Last Answer : A. H. Taylor and Leo C. Young
Description : X-rays were discovered by: a) Roentgen b) Becquerel c) Marie Curie d) Van Lave
Last Answer : a) Roentgen
Description : X–rays were discovered by (1) Becquerel (2)Roentgen (3) Marie Curie (4)Van Lue
Last Answer : Roentgen
Description : Who discovered electrons? (1) Rutherford (2) Niels Bohr (3) JJ Thomson (4) Newton
Last Answer : (3) JJ Thomson Explanation: JJ Thomson, while performing cathode ray experiment found that the cathode ray is made up of very small negatively charged particles to which he termed as electrons.
Description : Who discovered X-rays? (1) W. C. Roentgen (2) Albert Einstein (3) Samuel Cohen (4) Edward Taylor
Last Answer : (1) W. C. Roentgen Explanation: X-rays were discovered by Wilhelm Conrad Roentgen, a Professor at Wuerzburg University in Germany, on 8 November 1895.
Description : In 1909 Ernest Rutherford conducted an experiment in which he fired alpha particles at a sheet of gold foil. What unexpected result did he get?
Last Answer : What is the answer ?
Description : Which of these famous people was not born in New Zealand? (A) Katherine Mansfield (B) Nicole Kidman (C) Ernest Rutherford (D) Sam Neill
Last Answer : (B) Nicole Kidman
Description : The damage of the human body due to radiation (x-rays or y-rays etc,) is measured in (1) Rads (2) Rems (3) Roentgen (4) Curie
Last Answer : (1) Rads Explanation: The rad is a unit of absorbed radiation dose, defined as 1 rad = 0.01 Gy = 0.01 J/kg. It was originally defined in CGS units in 1953 as the dose causing 100 ergs of energy to be absorbed by one gram of matter.
Description : The damage of the human body due to radiation (X-rays or y-rays etc,) is measured in – (1) Rems (2) Roentgen (3) Curie (4) Rads
Last Answer : (1) Rems Explanation: In the case of damage to human body due to radiation, the most important factor is the amount of the dose - the amount of energy actually deposited in the body. The ... absorbed dose) = 1 rem or 1000 mrem (dose equivalent) (Source: United States Nuclear Regulatory Commission).
Description : The damage of the human body due to radiation (X-rays or grays etc,) is measured in : (1) Rems (2) Roentgen (3) Curie (4) Rads
Last Answer : Rems
Description : Who discovered Roentgen X-ray ?
Last Answer : Uhlholm discovers roentgen X-ray.
Description : Electron was discovered by? A. Michael Faraday B. James Maxwell C. Yuri Gagarin D. J.J Thomson (Answer)
Last Answer : D. J.J Thomson (Answer)
Description : Natural radioactivity was discovered by - (1) Marie Curie (2) Ernest Rutherfor (3) Henri Becquerel (4) Enrico Fermi
Last Answer : (3) Henri Becquerel Explanation: The Discovery of Radioactivity. In 1896 Henri Becquerel was using naturally fluorescent minerals to study the properties of xrays, which had been discovered in 1895 by Wilhelm Roentgen.
Description : Who were the first to circle the moon? A. Frank boreman, Bill Anders and Jim Lovell B. Neil Armstrong and Edwin Aldrin C. Charles Conrad and Alan Bean D. None of these
Last Answer : A. Frank boreman, Bill Anders and Jim Lovell
Description : Natural radioactivity was discovered by a)Schmidt b)Curie c)Becquerel d)Rutherford
Last Answer : Natural radioactivity was discovered by a)Schmidt b)Curie c)Becquerel d)Rutherford A. Rutherford B. Becquerel C. Curie D. Schmidt
Description : Element 106 was discovered by – (1) Rutherford (2) Seaborg (3) Lawrence (4) Kurchatove
Last Answer : (2) Seaborg Explanation: Element 106 was discovered by Seaborg.
Description : The name of the scientist who discovered neutron is - (1) Fermi (2) Rutherford (3) Chadwick (4) Bohr
Last Answer : (3) Chadwick Explanation: Sir James Chadwick, CH, FRS (20 October 1891 – 24 July 1974) was a British physicist who was awarded the 1935 Nobel Prize in Physics for his discovery of the neutron in 1932.
Description : Neutron was discovered by - (1) Chadwick (2) Rutherford (3) Fermi (4) Bohr
Last Answer : (1) Chadwick Explanation: Neutron was discovered by James Chadwick in the year 1932. The neutron is a subatomic particle, symbol n or n⁰, with no net electric charge and a mass slightly larger than that of a proton. Protons and neutrons constitute the nuclei of atoms.
Description : Hydrogen was discovered by - (1) Cavendish (2) Lavosier (3) Rutherford (4) Scheele
Last Answer : (1) Cavendish Explanation: In 1766, Henry Cavendish was the first to recognize hydrogen gas as a discrete substance, by naming the gas from a metal-acid reaction "flammable air".
Description : Radio activity was discovered by : (1) Becqueral (2) Soddy (3) Rutherford (4) Curie
Last Answer : Becqueral
Description : Element 106 was discovered by (1) Rutherford (2) Seaborg (3) Lawrence (4) Kurchatove
Last Answer : Seaborg
Description : Please show me videos of Conrad Black using wordy advanced language?
Last Answer : Enjoy this. By the way,, this was easily found using google.com if you need more, or just go to YouTube.com
Description : __________ is a Scottish writer. (A) Archibald Cronin (B) Jonathan Swift (C) Bram Stoker (D) Joseph Conrad
Last Answer : (A) Archibald Cronin
Description : Who among the following discovered electron? (1) J.J Thomson (2) Max Born (3) Antoine Lavoisier (4) Mendeleef
Last Answer : (1) J.J Thomson Explanation: Electron was discovered by J. J. Thomson in 1897 when he was studying the properties of cathode ray.
Description : The phenomenon of radioactivity was discovered by - (1) Marie Curie (2) Pierre Curie (3) Henri Becquerel (4) J.J Thomson
Last Answer : (3) Henri Becquerel Explanation: In 1896 Henri Becquerel was using naturally fluorescent minerals to study the properties of x-rays, which had been discovered in 1895 by Wilhelm Roentgen.
Description : The phenomenon of radioactivity was discovered by - (1) Marie Curie (2) Pierre Curie (3) Henri Becquerel (4) J.J. Thomson
Last Answer : (3) Henri Becquerel Explanation: In 1896 Henri Becquerel was using naturally fluorescent minerals to study the properties of x-rays
Description : Positron was discovered by a) J. J. Thomson b) Millikan c) Anderson d) Dirac
Last Answer : d) Dirac
Description : Photoelectric effect was discovered by a) Einstein b) G.P.Thomson c) Hallwachs d) Lenard
Last Answer : a) Einstein
Description : The electron was discovered by a) Burcherer b) Anderson c) Chadwick d) J. J Thomson
Last Answer : d) J. J Thomson
Description : Answer: Ernest Mach.
Last Answer : Who put forward the principle of uncertainty?
Description : How did Wilhelm von Humboldt learn all the languages he knew?
Last Answer : I would like to know the answer to this myself. I do not see any references to how he learned these languages anywhere. Especially Kawi.
Description : Under Kaiser Wilhelm 11, Germany adopted a foreign policy that included?
Last Answer : competing with Great Britain to build europes most powerful military
Description : Wilhelm Vinn is a scientist from which country ?
Last Answer : Wilhelm Vinn is a German scientist.
Description : Who is Wilhelm Rন্টntgen ?
Last Answer : Wilhelm Conrad Röntgen (German: Wilhelm Conrad Röntgen ) is a German physicist who won the first Nobel Prize in Physics. He is the discoverer of X-rays which is also called Ranjan Rashmi after his name. Wilhelm Conrad Rntgen
Description : When did Kaiser Wilhelm II took control of Germany?
Last Answer : Wilhelm became Kaiser (emperor) when his father Friedrich diedof throat cancer. The date was June 15, 1888.
Description : How did Wilhelm wundt's method of self observation work?
Description : How was Kaiser Wilhelm related to Queen Victoria?
Last Answer : He was her grandson.
Description : Who among the following described Mazzini as the most dangerous enemy of Social Order? a. Napoleon b. Duke Metternich c. Cavour d. Friedrich Wilhelm IV
Last Answer : b. Duke Metternich
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 : Who discovered the Gamma Rays? A. Alfred Marshall B. Paul Villard (Answer) C. Bohar D. Jabar bin Hayan
Last Answer : B. Paul Villard (Answer)
Description : Noise pollution level in a chemical plant is expressed in (A) Roentgen (B) Decibel (C) Hertz (D) None of these
Last Answer : (B) Decibel
Description : Who invented the battery? (1) Roentgen (2) Volta (3) Faraday (4) Maxwell
Last Answer : Volta
Description : Which of the following chemists was the first to use letters as symbols for elements? w) Ernest Oliver Lawrence x) Louis Andrew Proust y) Jons Jacob Berzelius z) none of these
Last Answer : ANSWER: Y -- JONS JACOB BERZELIUS
Description : X-rays were discovered in 1895 by :
Last Answer : Wilhelm Conrad Roentgen