Physics deals with a wide variety of systems, some of its theories were experimentally tested numerous times and found correct as an approximation of nature (within a certain domain of validity). Physics also makes significant contributions through advances in new technologies that arise from theoretical breakthroughs. Some of the day to day useful things of modern-day society, such as television, computers, domestic appliances, and nuclear weapons; advances in thermodynamics are due to the development in the field of physics
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1. Question1 points
Where do you find Mesons?CorrectIncorrect
2. Question1 points
What is the reason for the dark lines in the solar spectrum ?CorrectIncorrect
3. Question1 points
Which of the following is /are examples of electromagnetic waves?
4. Question1 points
A moderator is used in nuclear reactors in order to:CorrectIncorrect
5. Question1 points
In an atomic nucleus, neutrons and protons are held together by :CorrectIncorrect
6. Question1 points
The wavelength of X-rays is of the order of :CorrectIncorrect
7. Question1 points
The correct sequence of various regions in absorption spectrum isCorrectIncorrect
8. Question1 points
Which of the following is used as a moderator in nuclear reactor?CorrectIncorrect
9. Question1 points
Which of the following is used as a moderator in nuclear reactor ?CorrectIncorrect
10. Question1 points
Which of the following statements about a refrigerator is/ are correct ?
1.It converts electrical energy into heat energy .
2. It converts electrical energy into mechanical energy.
3.It transfers heat from a high temperature to a low temperature.
4.It transfers heat from a low temperature to a high temperature.CorrectIncorrect