Pick the right answer, quickly

Exercise and reference answers

Questions

1. Question

   Radioactivity was discovered in:

   Choices

   1. 1896
   2. 1932
   3. 1911

   Correct choice

   1896

2. Question

   Alpha decay emits:

   Choices

   1. A helium nucleus
   2. An electron
   3. A photon

   Correct choice

   A helium nucleus

3. Question

   Gamma decay emits:

   Choices

   1. A proton
   2. A neutron
   3. A photon

   Correct choice

   A photon

4. Question

   Binding energy per nucleon is about:

   Choices

   1. 2.0 MeV
   2. 8.0 MeV
   3. 20 MeV

   Correct choice

   8.0 MeV

5. Question

   Nuclear density across nuclei is:

   Choices

   1. Constant
   2. Rising
   3. Falling

   Correct choice

   Constant

Instructions

Tap the correct answer before the round moves on.

Explanation