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18th Chapter

10th class Physics Ch 18 (English Medium)

Here you can prepare 10th Physics English Medium Chapter 18 (Radioactivity) Test. Click the button for 100% free full practice test.

Matric Part 2/10th Class Physics Chapter 18 MCQ Test With Answer for Chapter 18 (Radioactivity)

Matric Part 2/10th Class Physics Chapter 18 MCQ Test With Answer for Chapter 18 (Radioactivity)

Sr. # Questions Answers Choice
1 Radiation was found in:
  • A. 1896
  • B. 1895
  • C. 1897
  • D. 1898
2 The reason carbon dating work is that.
  • A. Plants and animals are such strong emitters of carbon 14
  • B. After a plant or animal dies, it stops in fresh carbon
  • C. There is so much non radioactive carbon dioxide in the air
  • D. When a plant or animal dies.
3 <p class="MsoNormal">V<sup>2</sup>/R=:<o:p></o:p></p>
  • A. <p class="MsoNormal">Power<o:p></o:p></p>
  • B. <p class="MsoNormal">Energy<o:p></o:p></p>
  • C. <p class="MsoNormal">Voltage<o:p></o:p></p>
  • D. <p class="MsoNormal">Resistance<o:p></o:p></p>
4 Who discovered the phenomenon of natural radioactivity?
  • A. Henry Becurial
  • B. Merry Curi
  • C. Perry
  • D. Rutherford
5 The half life of Lead Pb is
  • A. 10 hour
  • B. 10.10 hours
  • C. 10.6 hours
  • D. 1 year
6 The symbol of atomic mass number is:
  • A. A
  • B. X
  • C. N
  • D. Z
7 <p class="MsoNormal">The colour of live wire is:<o:p></o:p></p>
  • A. <p class="MsoNormal">Black or blue<o:p></o:p></p>
  • B. <p class="MsoNormal">Green or yellow<o:p></o:p></p>
  • C. <p class="MsoNormal">White or grey<o:p></o:p></p>
  • D. <p class="MsoNormal">Red or brown<o:p></o:p></p>
8 <p class="MsoNormal">the range of galvanometer to measure current is:<o:p></o:p></p>
  • A. <p class="MsoNormal">few amperes<o:p></o:p></p>
  • B. <p class="MsoNormal">few micro amperes<o:p></o:p></p>
  • C. <p class="MsoNormal">few milli amperes<o:p></o:p></p>
  • D. <p class="MsoNormal">mega amperes<o:p></o:p></p>
9 <p class="MsoNormal">Watt is equal to:<o:p></o:p></p>
  • A. <p class="MsoNormal">Coulomb per second<o:p></o:p></p>
  • B. <p class="MsoNormal">Newton per second<o:p></o:p></p>
  • C. <p class="MsoNormal">Volt per second<o:p></o:p></p>
  • D. <p class="MsoNormal">Joule per second<o:p></o:p></p>
10 <p class="MsoNormal">When we double the voltage in a simple electric circuit, we double the:<o:p></o:p></p>
  • A. <p class="MsoNormal">Current<o:p></o:p></p>
  • B. <p class="MsoNormal">Power<o:p></o:p></p>
  • C. <p class="MsoNormal">Resistance<o:p></o:p></p>
  • D. <p class="MsoNormal">Both a and b<o:p></o:p></p>

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