00. Newton's Law of Gravitation
Gravitation

138283 Which of the following statements about the gravitational constant is true?

1 It is a force
2 It has no unit
3 It has same value in all systems of units
4 It depends on the value of masses
5 It does not depend on the nature of the medium in which the bodies are kept
Gravitation

138284 The force of attraction between two Lead balls of radius $10 \mathrm{~cm}$ and $1 \mathrm{~cm}$ that are placed with their centres 1 metre apart is (The density of Lead is $5.51 \times 10^{3} \mathrm{~kg} \mathrm{~m}^{-3}$ )

1 $3.5 \times 10^{-11} \mathrm{~N}$
2 $0.35 \times 10^{-11} \mathrm{~N}$
3 $35 \times 10^{-11} \mathrm{~N}$
4 $350 \times 10^{-11} \mathrm{~N}$
Gravitation

138285 If a stone weights ' $W$ ' at the equatorial surface of earth of radius ' $R$ ' then its weight at an elevation $\frac{R}{2}$ from the surface will be

1 $\frac{\mathrm{W}}{2}$
2 $\frac{\mathrm{W}}{4}$
3 $\frac{\mathrm{W}}{9}$
4 $\frac{4 \mathrm{~W}}{9}$
Gravitation

138281 Statement I: The force of attraction due to a hollow spherical shell of uniform density on a point mass situated inside it is always positive.
Statement II: The force of attraction between a hollow spherical shell of uniform density and a point mass situated outside is same just as if the entire mass of the shell is at the center of the shell.
Which of the following is correct?

1 Both Statement I and Statement II are True
2 Statement I is true, but Statement II is false
3 Statement II is true, but Statement I is false
4 Both Statement, I and II are false
Gravitation

138283 Which of the following statements about the gravitational constant is true?

1 It is a force
2 It has no unit
3 It has same value in all systems of units
4 It depends on the value of masses
5 It does not depend on the nature of the medium in which the bodies are kept
Gravitation

138284 The force of attraction between two Lead balls of radius $10 \mathrm{~cm}$ and $1 \mathrm{~cm}$ that are placed with their centres 1 metre apart is (The density of Lead is $5.51 \times 10^{3} \mathrm{~kg} \mathrm{~m}^{-3}$ )

1 $3.5 \times 10^{-11} \mathrm{~N}$
2 $0.35 \times 10^{-11} \mathrm{~N}$
3 $35 \times 10^{-11} \mathrm{~N}$
4 $350 \times 10^{-11} \mathrm{~N}$
Gravitation

138285 If a stone weights ' $W$ ' at the equatorial surface of earth of radius ' $R$ ' then its weight at an elevation $\frac{R}{2}$ from the surface will be

1 $\frac{\mathrm{W}}{2}$
2 $\frac{\mathrm{W}}{4}$
3 $\frac{\mathrm{W}}{9}$
4 $\frac{4 \mathrm{~W}}{9}$
Gravitation

138281 Statement I: The force of attraction due to a hollow spherical shell of uniform density on a point mass situated inside it is always positive.
Statement II: The force of attraction between a hollow spherical shell of uniform density and a point mass situated outside is same just as if the entire mass of the shell is at the center of the shell.
Which of the following is correct?

1 Both Statement I and Statement II are True
2 Statement I is true, but Statement II is false
3 Statement II is true, but Statement I is false
4 Both Statement, I and II are false
Gravitation

138283 Which of the following statements about the gravitational constant is true?

1 It is a force
2 It has no unit
3 It has same value in all systems of units
4 It depends on the value of masses
5 It does not depend on the nature of the medium in which the bodies are kept
Gravitation

138284 The force of attraction between two Lead balls of radius $10 \mathrm{~cm}$ and $1 \mathrm{~cm}$ that are placed with their centres 1 metre apart is (The density of Lead is $5.51 \times 10^{3} \mathrm{~kg} \mathrm{~m}^{-3}$ )

1 $3.5 \times 10^{-11} \mathrm{~N}$
2 $0.35 \times 10^{-11} \mathrm{~N}$
3 $35 \times 10^{-11} \mathrm{~N}$
4 $350 \times 10^{-11} \mathrm{~N}$
Gravitation

138285 If a stone weights ' $W$ ' at the equatorial surface of earth of radius ' $R$ ' then its weight at an elevation $\frac{R}{2}$ from the surface will be

1 $\frac{\mathrm{W}}{2}$
2 $\frac{\mathrm{W}}{4}$
3 $\frac{\mathrm{W}}{9}$
4 $\frac{4 \mathrm{~W}}{9}$
Gravitation

138281 Statement I: The force of attraction due to a hollow spherical shell of uniform density on a point mass situated inside it is always positive.
Statement II: The force of attraction between a hollow spherical shell of uniform density and a point mass situated outside is same just as if the entire mass of the shell is at the center of the shell.
Which of the following is correct?

1 Both Statement I and Statement II are True
2 Statement I is true, but Statement II is false
3 Statement II is true, but Statement I is false
4 Both Statement, I and II are false
Gravitation

138283 Which of the following statements about the gravitational constant is true?

1 It is a force
2 It has no unit
3 It has same value in all systems of units
4 It depends on the value of masses
5 It does not depend on the nature of the medium in which the bodies are kept
Gravitation

138284 The force of attraction between two Lead balls of radius $10 \mathrm{~cm}$ and $1 \mathrm{~cm}$ that are placed with their centres 1 metre apart is (The density of Lead is $5.51 \times 10^{3} \mathrm{~kg} \mathrm{~m}^{-3}$ )

1 $3.5 \times 10^{-11} \mathrm{~N}$
2 $0.35 \times 10^{-11} \mathrm{~N}$
3 $35 \times 10^{-11} \mathrm{~N}$
4 $350 \times 10^{-11} \mathrm{~N}$
Gravitation

138285 If a stone weights ' $W$ ' at the equatorial surface of earth of radius ' $R$ ' then its weight at an elevation $\frac{R}{2}$ from the surface will be

1 $\frac{\mathrm{W}}{2}$
2 $\frac{\mathrm{W}}{4}$
3 $\frac{\mathrm{W}}{9}$
4 $\frac{4 \mathrm{~W}}{9}$
Gravitation

138281 Statement I: The force of attraction due to a hollow spherical shell of uniform density on a point mass situated inside it is always positive.
Statement II: The force of attraction between a hollow spherical shell of uniform density and a point mass situated outside is same just as if the entire mass of the shell is at the center of the shell.
Which of the following is correct?

1 Both Statement I and Statement II are True
2 Statement I is true, but Statement II is false
3 Statement II is true, but Statement I is false
4 Both Statement, I and II are false