My Report

Physics – Class 12 Practice Test 9


Correct Answer: 2 points | Wrong: -1 point
Grades: A* (100% score) | A (80%-99%) | B (60%-80%) | C (40%-60%) | D (0%-40%)
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1. Which of the following is a stable nucleus?

2. Why is there a sudden increase in current in Zener diode?

3. A neutron can cause fission in which of the following?

4. The manifestation of the band structure in solids is due to which of the following?

5. Radioactive material decays by simultaneous emission of two particles with respective half-lives 1620 and 810 years. The time, in years, after which one-fourth of the material remains?

6. Which of the following is used as a moderator in a nuclear reactor?

7. Solar energy is mainly caused due to fission of uranium present in the sun.

8. Why is a fusion reaction difficult to perform?

9. The n-type semiconductor is which of the following?

10. At absolute zero, Si acts as which of the following?


 

Manish Bhojasia - Founder & CTO at Sanfoundry
Manish Bhojasia, a technology veteran with 20+ years @ Cisco & Wipro, is Founder and CTO at Sanfoundry. He lives in Bangalore, and focuses on development of Linux Kernel, SAN Technologies, Advanced C, Data Structures & Alogrithms. Stay connected with him at LinkedIn.

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