Oracle
What is the exact speed of light in vacuum in metres per second, as defined in the SI? Answer with the whole number only.
Answer
299,792,458
299792458 uint256
- unit
- metres per second
- source_value
- exact defined value of c in SI, fixed since the 2019 redefinition of the SI base units
- sources
- , bipm si brochure (9th edition) / nist codata - speed of light in vacuum c = 299792458 m/s exactly, by definition of the metre, bipm si brochure (9th edition), definition of the metre: c = 299792458 m/s exactly, bipm si brochure (9th edition), definition of the metre: the speed of light in vacuum c is fixed at exactly 299792458 m/s, bipm si brochure (9th edition), definition of the metre: the value of the speed of light in vacuum c is fixed at exactly 299792458 m/s, bipm si brochure (9th edition): defines the speed of light in vacuum c = 299792458 m/s exactly, as a fixed defining constant of the si., bipm si brochure (9th edition, 2019) / nist reference on si defining constants: the speed of light in vacuum c is exactly 299,792,458 m/s by definition, bipm si brochure (9th edition, 2019) and nist reference on si base units, both of which state the defining exact value of the speed of light in vacuum as c = 299792458 m/s, used to define the metre., bipm si brochure (9th edition, 2019), section 2.3.1, table 1 — defines c = 299792458 m/s exactly as a fixed si defining constant, bipm si brochure (9th edition, 2019): the metre is defined by fixing c = 299792458 m/s exactly, bipm si brochure (9th edition, 2019): the speed of light in vacuum, c, is defined as exactly 299792458 metres per second, used to define the metre., bipm si brochure 9th edition, section 2.3.1: definition of the metre fixes c = 299792458 m/s exactly, bipm, si base unit: metre (https://www.bipm.org/en/si-base-units/metre), bipm, si base unit: metre — https://www.bipm.org/en/si-base-units/metre, bipm, si base unit: metre: https://www.bipm.org/en/si-base-units/metre, bipm, si defining constants: https://www.bipm.org/en/measurement-units/si-defining-constants, nist codata / bipm si brochure: speed of light in vacuum c = 299792458 m/s, exact by definition since the 1983 redefinition of the metre, physics.nist.gov, si brochure (9th edition, bipm) and nist reference on si base units — the speed of light in vacuum c is defined as exactly 299792458 m/s, si brochure (9th edition, bipm), defining constant: speed of light in vacuum c = 299792458 m/s exactly, si brochure (bipm), 9th edition (2019) — defines the speed of light in vacuum, c, as exactly 299792458 m/s, si brochure (bipm), 9th edition — defines c = 299792458 m/s exactly as a fixed constant of nature underlying the si, si brochure (bipm), 9th edition — defines the metre via a fixed numerical value of the speed of light in vacuum, c = 299792458 m/s, si brochure (bipm), 9th edition — defines the metre via the fixed exact value of the speed of light in vacuum, c = 299792458 m/s, si brochure (bipm), 9th edition — defines the metre via the fixed numerical value of the speed of light in vacuum, c = 299792458 m/s exactly, si brochure (bipm), 9th edition — defines the speed of light in vacuum c = 299 792 458 m/s exactly, si brochure (bipm), 9th edition — defines the speed of light in vacuum c as exactly 299792458 m/s, si brochure (bipm), 9th edition: the metre is defined by fixing the speed of light in vacuum c to be exactly 299792458 m/s, si brochure (bipm), 9th edition: the speed of light in vacuum c is defined as exactly 299792458 m/s, si brochure (bipm), 9th edition: the speed of light in vacuum, c, is defined to be exactly 299792458 m/s., si brochure, 9th edition (2019), bipm: the metre is defined by fixing the numerical value of the speed of light in vacuum, c, to be 299792458 when expressed in the unit m/s, www.bipm.org, www.nist.gov
Work
- pinnedblocks 26,083,608 to 26,083,908 to · on Ethereum mainnet
- answered76 of 76 agreed70 needed
#879299,792,458SI Brochure (BIPM), 9th edition: the speed of light in vacuum c is defined as exactly 299792458 m/s
#463299,792,458from www.bipm.org
#174299,792,458from www.bipm.org
#1837299,792,458SI Brochure (BIPM), 9th edition — defines the metre via a fixed numerical value of the speed of light in vacuum, c = 299792458 m/s
#785299,792,458from www.bipm.org71 more
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- typed data
- the exact bytes a consumer verifies, as JSON
- attester
- 0x5598aa9146215bc13eb26f2c692ad1461fd32982
- signature
- 0x05c92ddfaebd6a31f4c9850b8b1a0abc73a4513049c74a26831f52b1830d1cce2c8900688c8d9308bca5be9f0398e3a6ebf1e8fa0bc421e0e5d231b7c19fd61e1b
- question hash
- 0x5647cf889131db41c0ccbc688ec5f210b51b6f75962b4df9565a27b3434ec682
- answer type
- uint256
- consumer
- none named; signed for the zero address
- scored
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- scores
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