SSC
PHYSICS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What SI unit is used to measure length?
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kilograms
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liters
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meters
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None of the above
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Explanation:
Detailed explanation-1: -The basic unit of length in the metric system is the meter.
Detailed explanation-2: -The S.I unit to measure the length is given in meter (m).
Detailed explanation-3: -The metre is the length of the path travelled by light in vacuum during a time interval of 1/299792458 of a second. This definition fixed the speed of light in vacuum at exactly 299792458 metres per second (≈300000 km/s or ≈1.079 billion km/hour).
Detailed explanation-4: -The correct option is B metre. The fundamental and standard unit of measuring the length is “metre". These units have prefix or suffix to denote the power.
There is 1 question to complete.