Heat is generated in the sun by-
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The Sun produces energy by the nuclear fusion of hydrogen into helium in its core. What that means is that, since there is a huge amount of hydrogen in the core, these atoms stick together and fuse into a helium atom. This energy is then radiated out from the core and moves across the solar system
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The last Asian Games (2002) was held at (1) Pyongyang (2) Tokyo (3) Busan (4) Bangkok
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Light year is a unit of (a) Time (b) Speed (c) Space (d) None of these
The resistance of a thermistor (a) Varies directly with temperature (b) Varies inversely with temperature (c) Is always constant (d) None of these
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Who is called the ?Father of Ayurveda?? (a) Manu (b) Charaka (c) Lukman (d) None of these
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Which of the following organizations has been assigned the task of providing Internet and telephone facilities in various Indian trains? (a) Konkan Railway Corporation (b) Container Corporation (c) Rail Tel Corporation (d) Videsh Sanchar Nigam
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Calcium bicarbonate is a hard water salt. Its chemical formula is (a) CaC3 (b) Ca (HCO2)3 (c) Ca(HCO3)2 (d) CaO