# 50+ Acceleration due to Gravity below and above the Surface of Earth MCQs

Acceleration due to Gravity below and above the Surface of Earth MCQs and Answers play important role in various entrance test so students can practice online Gravitation quiz to attempt these MCQ’s. Gravitation is one of the most difficult chapter to master in Physics. While solving this topic it becomes more complicated due to lengthy theory. So students often stuck at that point while writing exams like JEE, NEET etc. Students don’t know how to tackle the exam questions on Gravitation. Here you will get all the details regarding Gravity MCQs and answers. We already published the most important Questions and Answers on the Chapter Gravitation.

## Acceleration due to Gravity below and above the Surface of Earth MCQs

a) True

b) False

a) True

b) False

#### 3. Assume that the earth is a perfect sphere but of non-uniform interior density. Then, acceleration due to gravity on the surface of the earth _____

a) will be towards the geometric centre

b) will be different at different points on the surface

c) will be equal at all points on the surface and directed towards the geometric centre

d) cannot be zero at any point

#### 4. Which of the following is the variation of acceleration due to gravity at a height “h” above the earth’s surface? Let “R” be the radius of the earth and “M1” the mass of earth.

a) g = (G*M1)/R2

b) g = (G*M1)/h2

c) g = (G*M1)/(R + h)2

d) g = (G*M1)/(h/R)2

#### 5. Which of the following is the variation of acceleration due to gravity at a height “h” above the earth’s surface? Let “R” be the radius of the earth and “M1” the mass of earth. (Assume h < < R)

a) g = (G*M1)/R2

b) g = (G*M1)/h2

c) g = (G*M1)/(R/h)2

d) g = [(G*M1)/R2] x [1 – (2h)/R)]

#### 6. Which of the following is the variation of acceleration due to gravity at a depth “d” below the earth’s surface? Let “R” be the radius of the earth and “M1” the mass of earth. (Assume the density of the earth to be constant)

a) g = (G*M1)/(R – d)

b) g = [(G*M1) x density]/d

c) g = (G x M1/R3) / (R – d)

d) g = (G x M1/R3) x (R – d)

a) h = d

b) h = 2d

c) 2h = d

d) 3h = 2d

a) h = 0.5 R

b) h = 1.5 R

c) h = 2.5 R

d) h = 3.5 R

a) T

b) 2T

c) 3T

d) 4T

a) True

b) False

a) g’

b) 2g’

c) 3g’

d) 4g’

#### 12. The acceleration of the moon towards the earth is approximately 0.0027 m/s2. The moon revolves around the earth once approximately every 24 hours. What would be the acceleration due to gravity of the earth of the moon towards the earth if it were to revolve once every 12 hours?

a) Become half in magnitude

b) double in magnitude

c) Change direction but remain the same in magnitude

d) Remains unchanged