Science Form 3 KSSM Chapter 8 : Radioactivity

What Willhelm Roentgen has discovered?

• gamma rays

• alpha radiation

• X-ray

• polanium and radium

Which hand was the first x-ray taken?

• Left

• Right

What year was it when Wilhelm was awarded the first physics Nobel Prize?

• 1895

• 1896

• 1901

• 1903

Which of the scientists found that uranium produced rays that can blacken a photographic plate even in the dark?

• Willhelm Roentgen

• Marie Curie

• Henri Becquerel

• Isaac Newton

What year did Henri Becquerel earn the Nobel Prize for the discovery of radioactivity?

• 1895

• 1896

• 1897

• 1903

What compounds did Henri Becquerel work with to discover radiation?

• Cobalt

• Radium

• Uranium

• Polonium

What is Marie Curie famous for?

• Discovery of X-ray

• Discovery of gamma radiation

• Discovery of radium and polonium

• Discovery of alpha particle

Marie Curie died of pernicious anaemia in 1967, a condition related to ___________ ?

• Prolonged exposure to alpha particles

• Prolonged exposure to X-ray

• Prolonged exposure to gamma rays

• Prolonged exposure to radium

Who is the only woman who received two Nobel Prizes?

• Mother Teresa

• Bertha von Suttner

• Selma Lagerlöf

• Marie Curie

What is radioactivity?

• The positively charged central core of an atom.

• When a change occurs in the nucleus to make it more stable.

• An opposing force caused by the interaction between two surfaces.

• When a nucleus decays and it emits some particles/waves from the nucleus.