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Question 1
What is the periodicity of Halley’s comet?
Question 2
Heinrich Rudolph laid the foundation for the future development of radio, telephone and telegraph. The SI unit of _____ was named as ‘hertz’ in his honour.
Question 3
The weight of an object on the moon is equal to _______ of its weight on the earth.
Question 4
The SI (International system of units) unit of length is _________.
Question 5
The term 'Askaryan effect' is associated with which functional area of science?
Question 6
Which of the following instruments measures infra-red radiation?
Question 7
Why do water droplets always take a round shape when dropped onto plane surfaces?
Question 8
Which law/principle states that when a body is immersed fully or partially in a fluid, it experiences an upward/displaced by it?
Question 9
Hydraulic brakes used in automatic vehicles is direct virtual application of which law?
Question 10
The sun heats the earth through________.
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Dec 7SSC & Railway
