Orbital period of Halley's comet is ___ years.
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Why does a piece of cloth, which appears green in sunlight, appear black when it is viewed under red light?
An object having a mass 'm' moving with a velocity 'v' possesses a kinetic energy 'K'. If its velocity is doubled, its kinetic energy will become:
Choose the odd word/letters/number/number pair from the given alternatives.
In which year, was the Noble Peace Prize jointly given to Kailash Satyarthi and Malala Yousafzai?
Which Indian-American is the chairman of the prestigious Federal Communications Commission (FCC) of the United States as of March 2018?
What is the name of the point at which the chromatids are attached in a chromosome?
The instrument used to examine a person's digestive tract is called ___.