| 1 |
Isotopes are atoms of same element with different : |
- A. Atomic mass
- B. Atomic Number
- C. Number of proton
- D. Number of Neutron
|
| 2 |
When 1 tonne of coal is burnt then amount of energy is released . |
- A. 36 x 10<sup>8</sup> J
- B. 36 x 10<sup>9</sup>J
- C. 36 J
- D. 36 x 10<sup>10</sup>J
|
| 3 |
The half life of argon nuclide Ar-40 is: |
- A. 2 x 10<sup>8 </sup>years
- B. 2 .2x 10<sup>8</sup>years
- C. 2.4x 10<sup>8</sup>years
- D. 2.8x 10<sup>8</sup>years
|
| 4 |
<p class="MsoNormal">in a dry cell, chemical energy changes into:<o:p></o:p></p> |
- A. <p class="MsoNormal">mechanical energy<o:p></o:p></p>
- B. <p class="MsoNormal">electrical energy<o:p></o:p></p>
- C. <p class="MsoNormal">potential energy<o:p></o:p></p>
- D. <p class="MsoNormal">kinetic energy<o:p></o:p></p>
|
| 5 |
<p class="MsoNormal">How Galvanometer is connected in circuit to detect current:<o:p></o:p></p> |
- A. <p class="MsoNormal">In series<o:p></o:p></p>
- B. <p class="MsoNormal">In parallel<o:p></o:p></p>
- C. <p class="MsoNormal">Fixed<o:p></o:p></p>
- D. <p class="MsoNormal">Variable<o:p></o:p></p>
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| 6 |
<p class="MsoNormal">A thermistor is a dependent resistors:<o:p></o:p></p> |
- A. <p class="MsoNormal">Heat<o:p></o:p></p>
- B. <p class="MsoNormal">temperature<o:p></o:p></p>
- C. <p class="MsoNormal">energy<o:p></o:p></p>
- D. <p class="MsoNormal">mass<o:p></o:p></p>
|
| 7 |
Safe limit of radiations exposure in one year. |
- A. 4 rem
- B. 5 rem
- C. 3 rem
- D. 6 rem
|
| 8 |
<p class="MsoNormal">The galvanometer has been named after the scientist:<o:p></o:p></p> |
- A. <p class="MsoNormal">Lewis<o:p></o:p></p>
- B. <p class="MsoNormal">Lowry bronsted<o:p></o:p></p>
- C. <p class="MsoNormal">Luigi Galvano<o:p></o:p></p>
- D. <p class="MsoNormal">Galvano Einstein<o:p></o:p></p>
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| 9 |
The process of breaking a heavy nucleus after the bombardment of neutrons into two small nuclei is called: |
- A. Nuclear fission reaction
- B. Nuclear fusion reaction
- C. Nuclear Radiation
- D. Nuclear chain reaction
|
| 10 |
<p class="MsoNormal">The current which does not change its direction is called:<o:p></o:p></p> |
- A. <p class="MsoNormal">A.C<o:p></o:p></p>
- B. <p class="MsoNormal">D.C<o:p></o:p></p>
- C. <p class="MsoNormal">Conventional<o:p></o:p></p>
- D. <p class="MsoNormal">Transient current<o:p></o:p></p>
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