# Some such questions based on ‘gravity’ will be asked in Railway Group D exam, read now

Gravitation MCQ For RRB Group D Exam 2022 : Railway Group D exam was being awaited by the candidates for a long time. According to the latest official notice of Indian Railway Recruitment Board Group D exam date has been declared. According to this notice, the exam will start next month from August 17. Let us tell you that crores of candidates have applied for this exam. In such a situation, keeping in view the number of candidates, the examination will be conducted in different stages.

Here we are in front of you under General Science. ‘Gravitation’ Sharing important questions related to. Which is very important from exam point of view. Therefore, candidates must go through these questions once before appearing in the examination.

## 25 Important Gravity Questions for Group D Exam

Question. G is one…..

• proportional constant
• gravitational constant
• Both
• acceleration due to gravity

Question. If the mass of the earth is M, the radius of the earth is R and the gravitational constant is G, then which of the following formula gives the value of the acceleration due to gravity (at the earth’s surface) g?

• g = R^2 /GM
• g = R /GM
• g = GM/R^2
• g = M/GR^2

Question. What is the force acting between two bodies due to gravity?

• Charm
• repulsion
• both attraction and repulsion
• none of these

Question. is the value of g.

• Power of 6.67×10 -11 N m^2/kg2
• Power of 6.67×10 -11 N m^2/gm2
• 9.8 m/s2
• 98m/s2

Question. Depends on the value of g.

• shape, size
• Mass
• on all
• none of these

Question. The value of g on going up or down from the surface of the earth will be.

• grows
• falls short
• sometimes increases and sometimes decreases
• no change

Question. The value of g as the rotational speed of the earth increases.

• grows
• falls short
• sometimes increases and sometimes decreases
• no change

Question. The value of g at the equator will be

• is maximum
• is the minimum
• varies with time
• is zero

Question. If the earth starts rotating at a speed 17 times more than its present angular speed, the weight of the object at the equator will be.

• will decrease
• Will increase
• will be zero
• there will be no change in weight

Question. If the earth stops rotating about its axis, then the value of g in ……..

• will increase
• will be lacking
• nothing can be said
• will decrease more and more

Question. When the lift goes up, the weight of the stationary body in the lift will be.

• appears to be enlarged
• appears to have decreased
• There does not seem to be any change in the mass of the body
• none of these

Question. If the rope of the lift breaks while descending, it falls down like a free body, in such a situation the weight of the body will be.

• There is a positive increase in the mass of the body
• There is a negative increase in the mass of the body
• the mass of the body is zero
• none of these change

Question. What is the rotation time called?

• The time it takes the planet to revolve around the moon
• The amount of time it takes the planet to revolve around the atmosphere
• The time it takes the planet to revolve around the Sun
• none of these

Question. The farthest planet from the Sun will have a period of revolution.

• happens more
• falls short
• more and sometimes less
• none of these

Question. The planet closest to the Sun has a period of revolution.

• 84 days
• 88 days
• 165 days
• 180 days

Question. What is the period of revolution of the farthest planet from the Sun?

• 84 days
• 88 days
• 165 days
• 180 days

Question. Which is the farthest planet?

• yama
• Varun
• saturn
• none of these

Question. The value of escape velocity for earth is…….

• 11.2 km/s
• 11.2 m/s
• 9.8 km/s
• .98m/s

Question. What are called Geo-stationary satellites?

• a satellite that orbits the earth from east to west with a plane perpendicular to the earth’s axis
• satellites that orbit the earth from west to east in a plane perpendicular to the earth’s axis
• a satellite that orbits the earth from north to west with a plane perpendicular to the earth’s axis
• speed in all directions

Question. A satellite orbiting near the earth has a period of revolution.

• 1 Hour
• one hour 30 minutes
• one hour 20 minutes
• one hour 24 minutes

Question. The orbital speed of a satellite revolving apart from the earth plane is approx.

Question. What will be the gravitational force between two objects, if the mass of both the objects is doubled.

• will double
• will be four times
• will be half
• will be quarter

Question. If the mass of an object is m, the acceleration due to gravity is g and the weight of that object is w (on the surface of the earth), then-

• w = m/g
• w = mg
• w = g / m
• w = g + m

Question. Where will the weight of an object be greater?

• at the equator
• at the center of the earth
• at the pole of the earth
• will be the same at all places

Question. The weight of an object on the Moon is approximately how many times its weight on Earth?

• 6 times
• 1/6 times
• 2 times
• 1/2 times

What would be the correct answer to this question? Do give us your answer in the comment section.

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