Free gk questions Online Test - MeritNotes

No. of Questions :10

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1. Who designed and fabricated the first prototype of the Radar

2. Which one among the following lasers is used in cancer treatment?

3. The hydraulic brakes used in automobiles is a direct application of

4. Who had showed that the electric and magnetic waves are equal in vacuum?

5. Aviation fuel for jet aeroplanes consists of purified

6. An egg when placed in ordinary water sinks but floats when placed in brine. This is because

7. Optical fibres mainly used in communication is based on

8. Which one of the following planets is said to be “twin sister” of the Earth?

9. Television signal cannot be received generally beyond a particular distance due to

10. The device through which the depth of the sea is measured by the use of sound waves?

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