Tag: measurements and experimentation
Questions Related to measurements and experimentation
One angstrom is equal to _________ .
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$\displaystyle { 10 }^{ -12 }m$
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$\displaystyle { 10 }^{ -10 }m$
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the time taken by Neil Armstrong to reach the moon
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the distance travelled by Neil Armstrong on the surface of the moon
Which of the following is not the unit of length ?
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Micron
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Light year
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Angstrom
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Radian
Angstrom, Micron and light year are all units of length but radian is the unit of angle subtended.
Angstrom is a unit used to express
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length
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mass
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time
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none of these
Par sec is a unit of:
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angle
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velocity
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time
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distance
The parsec is a unit of length used to measure the large distances to astronomical objects outside the Solar System. One parsec is approximately equal to 31 trillion kilometres or about 3.26 light-years. One parsec is the distance to an object whose parallax angle is one arcsecond.
1 quintal is equal to
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$\displaystyle \frac { 1 }{ 10 } $ kg
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10 kg
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100 kg
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1000 kg
1 light year is equal to
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$\displaystyle 6.3\times { 10 }^{ 5 }\overset { o }{ A } $
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$\displaystyle 6.3\times { 10 }^{ 4 }$$AU$
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$\displaystyle 3.0\times { 10 }^{ 16 }{ ms }^{ -1 }$
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$\displaystyle 6.3\times { 10 }^{ 4 }\overset { o }{ A } $
Pound is the unit of ________ in the F.P.S. system.
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mass
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length
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time
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temperature
Pound is a unit of mass in the F.P.S. system.
1 parsec is equal to
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$\displaystyle 3.1\times { 10 }^{ 15 }m$
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$\displaystyle 3.1\times { 10 }^{ -15 }m$
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$\displaystyle 3.1\times { 10 }^{ 16 }m$
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$\displaystyle 3.1\times { 10 }^{ -16 }m$
1 light year is equal to
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$\displaystyle 9.46\times { 10 }^{ -15 }m$
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$\displaystyle 9.46\times { 10 }^{ 15 }m$
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$\displaystyle 9.46\times { 10 }^{ -13 }m$
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$\displaystyle 9.46\times { 10 }^{ 13 }m$
1 AU is equal to
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$\displaystyle 1.5\times { 10 }^{ 11 }m$
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$\displaystyle 1.5\times { 10 }^{ 10 }m$
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$\displaystyle 1.5\times { 10 }^{ 9 }m$
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$\displaystyle 1.5\times { 10 }^{ -11 }m$