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Questions and Answers
What is the SI unit used to measure length?
What is the SI unit used to measure length?
- Kilogram
- Ampere
- Metre (correct)
- Second
Which of the following is not a standard unit in the SI system?
Which of the following is not a standard unit in the SI system?
- Second
- Kilogram
- Metre
- Calorie (correct)
In which year was the standard for the metre based on the wavelength of orange-red light adopted?
In which year was the standard for the metre based on the wavelength of orange-red light adopted?
- 1950
- 1960 (correct)
- 2000
- 1983
What is the speed of light in vacuum according to the text?
What is the speed of light in vacuum according to the text?
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What is the solid angle subtended by the moon at any point on Earth?
What is the solid angle subtended by the moon at any point on Earth?
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Which unit is used to measure time intervals in nanoseconds?
Which unit is used to measure time intervals in nanoseconds?
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What type of prefix symbol and units symbol constitute a new symbol for the unit?
What type of prefix symbol and units symbol constitute a new symbol for the unit?
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How should m/s be written to avoid misinterpretation?
How should m/s be written to avoid misinterpretation?
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If 1 microsecond is equal to $10^{-6}s$, how many seconds are equivalent to 1 millisecond?
If 1 microsecond is equal to $10^{-6}s$, how many seconds are equivalent to 1 millisecond?
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In indicating multiplication of two units, what symbol must be introduced according to the text?
In indicating multiplication of two units, what symbol must be introduced according to the text?
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