Acceleration Due to Gravity of the Earth
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PHXI08:GRAVITATION

359649 The depth ' \(d\) ' at which the value of acceleration due to gravity becomes \(\dfrac{1}{n}\) times the value at the earth's surface is (\(R=\) radius of earth)

1 \(d=R\left(\dfrac{n}{n-1}\right)\)
2 \(d=R\left(\dfrac{n-1}{2 n}\right)\)
3 \(d=R\left(\dfrac{n-1}{n}\right)\)
4 \(d=R^{2}\left(\dfrac{n-1}{n}\right)\)
MHTCET - 2017
PHXI08:GRAVITATION

359650 Assertion :
A body becomes weightless at the centre of earth.
Reason :
As the distance from centre of earth decreases, acceleration due to gravity increases.

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.
PHXI08:GRAVITATION

359651 Find the percentage decrease in weight of a body, when taken \(16\,km\) below the surface of the earth. Take radius of the earth as \(6400\,km\).

1 \(1.20\,\% \)
2 \(0.96\,\% \)
3 \(0.25\,\% \)
4 \(2.15\,\% \)
PHXI08:GRAVITATION

359652 The weight of an object in the coal mine, sea level and at the top of the mountain are respectively \(W_{1}, W_{2}\), and \(W_{3}\). Then

1 \(W_{1} < W_{2} < W_{3}\)
2 \(W_{1}=W_{2}=W_{3}\)
3 \(W_{1}>W_{2} < W_{3}\)
4 \(W_{1} < W_{2}>W_{3}\)
NEET DIGITAL LIBRARY
PHXI08:GRAVITATION

359649 The depth ' \(d\) ' at which the value of acceleration due to gravity becomes \(\dfrac{1}{n}\) times the value at the earth's surface is (\(R=\) radius of earth)

1 \(d=R\left(\dfrac{n}{n-1}\right)\)
2 \(d=R\left(\dfrac{n-1}{2 n}\right)\)
3 \(d=R\left(\dfrac{n-1}{n}\right)\)
4 \(d=R^{2}\left(\dfrac{n-1}{n}\right)\)
MHTCET - 2017
PHXI08:GRAVITATION

359650 Assertion :
A body becomes weightless at the centre of earth.
Reason :
As the distance from centre of earth decreases, acceleration due to gravity increases.

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.
PHXI08:GRAVITATION

359651 Find the percentage decrease in weight of a body, when taken \(16\,km\) below the surface of the earth. Take radius of the earth as \(6400\,km\).

1 \(1.20\,\% \)
2 \(0.96\,\% \)
3 \(0.25\,\% \)
4 \(2.15\,\% \)
PHXI08:GRAVITATION

359652 The weight of an object in the coal mine, sea level and at the top of the mountain are respectively \(W_{1}, W_{2}\), and \(W_{3}\). Then

1 \(W_{1} < W_{2} < W_{3}\)
2 \(W_{1}=W_{2}=W_{3}\)
3 \(W_{1}>W_{2} < W_{3}\)
4 \(W_{1} < W_{2}>W_{3}\)
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PHXI08:GRAVITATION

359649 The depth ' \(d\) ' at which the value of acceleration due to gravity becomes \(\dfrac{1}{n}\) times the value at the earth's surface is (\(R=\) radius of earth)

1 \(d=R\left(\dfrac{n}{n-1}\right)\)
2 \(d=R\left(\dfrac{n-1}{2 n}\right)\)
3 \(d=R\left(\dfrac{n-1}{n}\right)\)
4 \(d=R^{2}\left(\dfrac{n-1}{n}\right)\)
MHTCET - 2017
PHXI08:GRAVITATION

359650 Assertion :
A body becomes weightless at the centre of earth.
Reason :
As the distance from centre of earth decreases, acceleration due to gravity increases.

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.
PHXI08:GRAVITATION

359651 Find the percentage decrease in weight of a body, when taken \(16\,km\) below the surface of the earth. Take radius of the earth as \(6400\,km\).

1 \(1.20\,\% \)
2 \(0.96\,\% \)
3 \(0.25\,\% \)
4 \(2.15\,\% \)
PHXI08:GRAVITATION

359652 The weight of an object in the coal mine, sea level and at the top of the mountain are respectively \(W_{1}, W_{2}\), and \(W_{3}\). Then

1 \(W_{1} < W_{2} < W_{3}\)
2 \(W_{1}=W_{2}=W_{3}\)
3 \(W_{1}>W_{2} < W_{3}\)
4 \(W_{1} < W_{2}>W_{3}\)
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PHXI08:GRAVITATION

359649 The depth ' \(d\) ' at which the value of acceleration due to gravity becomes \(\dfrac{1}{n}\) times the value at the earth's surface is (\(R=\) radius of earth)

1 \(d=R\left(\dfrac{n}{n-1}\right)\)
2 \(d=R\left(\dfrac{n-1}{2 n}\right)\)
3 \(d=R\left(\dfrac{n-1}{n}\right)\)
4 \(d=R^{2}\left(\dfrac{n-1}{n}\right)\)
MHTCET - 2017
PHXI08:GRAVITATION

359650 Assertion :
A body becomes weightless at the centre of earth.
Reason :
As the distance from centre of earth decreases, acceleration due to gravity increases.

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.
PHXI08:GRAVITATION

359651 Find the percentage decrease in weight of a body, when taken \(16\,km\) below the surface of the earth. Take radius of the earth as \(6400\,km\).

1 \(1.20\,\% \)
2 \(0.96\,\% \)
3 \(0.25\,\% \)
4 \(2.15\,\% \)
PHXI08:GRAVITATION

359652 The weight of an object in the coal mine, sea level and at the top of the mountain are respectively \(W_{1}, W_{2}\), and \(W_{3}\). Then

1 \(W_{1} < W_{2} < W_{3}\)
2 \(W_{1}=W_{2}=W_{3}\)
3 \(W_{1}>W_{2} < W_{3}\)
4 \(W_{1} < W_{2}>W_{3}\)
NEET DIGITAL LIBRARY