Measurement of Length, Mass and Time
PHXI02:UNITS AND MEASUREMENTS

367602 Which unit is not for length?

1 Light year
2 Parsec
3 Nano
4 Angstrom
PHXI02:UNITS AND MEASUREMENTS

367603 The parallax of a far off planet as measured from the two diametric extremes on the equator of the earth is 3.0 minute. If the radius of the earth is 6400 \(km\), find the distance of the planet from the earth.
supporting img

1 \(1.5 \times {10^{10}}m\)
2 \(1.5 \times {10^8}m\)
3 \(1.5 \times {10^6}m\)
4 \(1.5 \times {10^{12}}m\)
PHXI02:UNITS AND MEASUREMENTS

367604 Assertion :
Light year is the distance travelled by light in vacuum in one year.
Reason :
Light year is a unit of time.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI02:UNITS AND MEASUREMENTS

367605 Read the Statement - A and Statement - B carefully to mark the correct options given below:
Statement A :
Astronomical unit \((A u)\), Parsec \((P c)\) and Light year (ly) are units for measuring astronomical distances.
Statement B :
\(Au < {\rm{Parsec}}\left( {Pc} \right) < ly\)

1 Both Statement A and Statement B are correct.
2 Statement A is correct but Statement B is incorrect.
3 Both Statement A and Statement B are incorrect.
4 Statement A is incorrect but Statement B is correct.
PHXI02:UNITS AND MEASUREMENTS

367606 The Sun’s angular diameter is measured to be \({1920^{''}}\). The distance D of the Sun from the Earth is \(1.496 \times {10^{11}}m\). What is the diameter of the Sun?

1 \(1.5 \times {10^6}m\)
2 \(1.39 \times {10^9}m\)
3 \(1.12 \times {10^7}m\)
4 \(1.2 \times {10^6}m\)
PHXI02:UNITS AND MEASUREMENTS

367602 Which unit is not for length?

1 Light year
2 Parsec
3 Nano
4 Angstrom
PHXI02:UNITS AND MEASUREMENTS

367603 The parallax of a far off planet as measured from the two diametric extremes on the equator of the earth is 3.0 minute. If the radius of the earth is 6400 \(km\), find the distance of the planet from the earth.
supporting img

1 \(1.5 \times {10^{10}}m\)
2 \(1.5 \times {10^8}m\)
3 \(1.5 \times {10^6}m\)
4 \(1.5 \times {10^{12}}m\)
PHXI02:UNITS AND MEASUREMENTS

367604 Assertion :
Light year is the distance travelled by light in vacuum in one year.
Reason :
Light year is a unit of time.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI02:UNITS AND MEASUREMENTS

367605 Read the Statement - A and Statement - B carefully to mark the correct options given below:
Statement A :
Astronomical unit \((A u)\), Parsec \((P c)\) and Light year (ly) are units for measuring astronomical distances.
Statement B :
\(Au < {\rm{Parsec}}\left( {Pc} \right) < ly\)

1 Both Statement A and Statement B are correct.
2 Statement A is correct but Statement B is incorrect.
3 Both Statement A and Statement B are incorrect.
4 Statement A is incorrect but Statement B is correct.
PHXI02:UNITS AND MEASUREMENTS

367606 The Sun’s angular diameter is measured to be \({1920^{''}}\). The distance D of the Sun from the Earth is \(1.496 \times {10^{11}}m\). What is the diameter of the Sun?

1 \(1.5 \times {10^6}m\)
2 \(1.39 \times {10^9}m\)
3 \(1.12 \times {10^7}m\)
4 \(1.2 \times {10^6}m\)
PHXI02:UNITS AND MEASUREMENTS

367602 Which unit is not for length?

1 Light year
2 Parsec
3 Nano
4 Angstrom
PHXI02:UNITS AND MEASUREMENTS

367603 The parallax of a far off planet as measured from the two diametric extremes on the equator of the earth is 3.0 minute. If the radius of the earth is 6400 \(km\), find the distance of the planet from the earth.
supporting img

1 \(1.5 \times {10^{10}}m\)
2 \(1.5 \times {10^8}m\)
3 \(1.5 \times {10^6}m\)
4 \(1.5 \times {10^{12}}m\)
PHXI02:UNITS AND MEASUREMENTS

367604 Assertion :
Light year is the distance travelled by light in vacuum in one year.
Reason :
Light year is a unit of time.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI02:UNITS AND MEASUREMENTS

367605 Read the Statement - A and Statement - B carefully to mark the correct options given below:
Statement A :
Astronomical unit \((A u)\), Parsec \((P c)\) and Light year (ly) are units for measuring astronomical distances.
Statement B :
\(Au < {\rm{Parsec}}\left( {Pc} \right) < ly\)

1 Both Statement A and Statement B are correct.
2 Statement A is correct but Statement B is incorrect.
3 Both Statement A and Statement B are incorrect.
4 Statement A is incorrect but Statement B is correct.
PHXI02:UNITS AND MEASUREMENTS

367606 The Sun’s angular diameter is measured to be \({1920^{''}}\). The distance D of the Sun from the Earth is \(1.496 \times {10^{11}}m\). What is the diameter of the Sun?

1 \(1.5 \times {10^6}m\)
2 \(1.39 \times {10^9}m\)
3 \(1.12 \times {10^7}m\)
4 \(1.2 \times {10^6}m\)
PHXI02:UNITS AND MEASUREMENTS

367602 Which unit is not for length?

1 Light year
2 Parsec
3 Nano
4 Angstrom
PHXI02:UNITS AND MEASUREMENTS

367603 The parallax of a far off planet as measured from the two diametric extremes on the equator of the earth is 3.0 minute. If the radius of the earth is 6400 \(km\), find the distance of the planet from the earth.
supporting img

1 \(1.5 \times {10^{10}}m\)
2 \(1.5 \times {10^8}m\)
3 \(1.5 \times {10^6}m\)
4 \(1.5 \times {10^{12}}m\)
PHXI02:UNITS AND MEASUREMENTS

367604 Assertion :
Light year is the distance travelled by light in vacuum in one year.
Reason :
Light year is a unit of time.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI02:UNITS AND MEASUREMENTS

367605 Read the Statement - A and Statement - B carefully to mark the correct options given below:
Statement A :
Astronomical unit \((A u)\), Parsec \((P c)\) and Light year (ly) are units for measuring astronomical distances.
Statement B :
\(Au < {\rm{Parsec}}\left( {Pc} \right) < ly\)

1 Both Statement A and Statement B are correct.
2 Statement A is correct but Statement B is incorrect.
3 Both Statement A and Statement B are incorrect.
4 Statement A is incorrect but Statement B is correct.
PHXI02:UNITS AND MEASUREMENTS

367606 The Sun’s angular diameter is measured to be \({1920^{''}}\). The distance D of the Sun from the Earth is \(1.496 \times {10^{11}}m\). What is the diameter of the Sun?

1 \(1.5 \times {10^6}m\)
2 \(1.39 \times {10^9}m\)
3 \(1.12 \times {10^7}m\)
4 \(1.2 \times {10^6}m\)
PHXI02:UNITS AND MEASUREMENTS

367602 Which unit is not for length?

1 Light year
2 Parsec
3 Nano
4 Angstrom
PHXI02:UNITS AND MEASUREMENTS

367603 The parallax of a far off planet as measured from the two diametric extremes on the equator of the earth is 3.0 minute. If the radius of the earth is 6400 \(km\), find the distance of the planet from the earth.
supporting img

1 \(1.5 \times {10^{10}}m\)
2 \(1.5 \times {10^8}m\)
3 \(1.5 \times {10^6}m\)
4 \(1.5 \times {10^{12}}m\)
PHXI02:UNITS AND MEASUREMENTS

367604 Assertion :
Light year is the distance travelled by light in vacuum in one year.
Reason :
Light year is a unit of time.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but reason is correct.
PHXI02:UNITS AND MEASUREMENTS

367605 Read the Statement - A and Statement - B carefully to mark the correct options given below:
Statement A :
Astronomical unit \((A u)\), Parsec \((P c)\) and Light year (ly) are units for measuring astronomical distances.
Statement B :
\(Au < {\rm{Parsec}}\left( {Pc} \right) < ly\)

1 Both Statement A and Statement B are correct.
2 Statement A is correct but Statement B is incorrect.
3 Both Statement A and Statement B are incorrect.
4 Statement A is incorrect but Statement B is correct.
PHXI02:UNITS AND MEASUREMENTS

367606 The Sun’s angular diameter is measured to be \({1920^{''}}\). The distance D of the Sun from the Earth is \(1.496 \times {10^{11}}m\). What is the diameter of the Sun?

1 \(1.5 \times {10^6}m\)
2 \(1.39 \times {10^9}m\)
3 \(1.12 \times {10^7}m\)
4 \(1.2 \times {10^6}m\)