Free gk questions Online Test - MeritNotes

No. of Questions :10

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1. Which one of the following common devices works on the basis of the principles of mutual induction?

2. The coil in a heater is made of?

3. Which of the following cannot be emitted by radioactive substances during their decay?

4. When light passes from one medium to another medium, which one of the following does not change?

5. The frequency of television waves range from

6. By means of optical pumping, atoms are taken to higher energy levels with the help of

7. Polarisation by reflection was discovered by

8. The source of radio frequency waves is

9. Which one of the following phenomena shows particle nature of light?

10. The process by which the atoms in the ground state is taken to the excited state is known as

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