CBSE Class 11 Gravitation Worksheet A

Read and download free pdf of CBSE Class 11 Gravitation Worksheet A. Download printable Physics Class 11 Worksheets in pdf format, CBSE Class 11 Physics Chapter 8 Gravitation Worksheet has been prepared as per the latest syllabus and exam pattern issued by CBSE, NCERT and KVS. Also download free pdf Physics Class 11 Assignments and practice them daily to get better marks in tests and exams for Class 11. Free chapter wise worksheets with answers have been designed by Class 11 teachers as per latest examination pattern

Chapter 8 Gravitation Physics Worksheet for Class 11

Class 11 Physics students should refer to the following printable worksheet in Pdf in Class 11. This test paper with questions and solutions for Class 11 Physics will be very useful for tests and exams and help you to score better marks

Class 11 Physics Chapter 8 Gravitation Worksheet Pdf

Gravitation MCQ Questions with Answers Class 11 Physics Chapter 8

Question- The SI unit of gravitational constant G is
(a) Nm kg–2
(b) Nm2 kg–2
(c) Nm2 kg–1
(d) Nm kg–1
Ans-(b)
 
Question- The value of gravitational constant G depends upon
(a) the masses of the bodies
(b) the sizes of the bodies
(c) the separation of the bodies
(d) none of the above quantities
Ans-(d)
 
Question- A rocket is fired from the earth to the moon. The distance between the earth and the moon is r and the mass of the earth is 81 times the mass of the moon. The gravitational force on the rocket will be zero, when its distance from the moon is
(a) r/20
(b)  r/15
(c)  r/10
(d)  r/5
Ans-(c)
 
Question- A mass M is divided into two parts xm and (1 – x) m. For a given separation, the value of x for which the gravitational attraction between the two pieces becomes maximum is
(a)1/2
(b) 3/5
(c) 1
(d) 2
Ans-(a)
 
Question- The acceleration due to gravity g on earth is 9.8 ms–2. What would the value of g for a planet whose size is the same as that of earth but the density in twice that of earth ?
(a) 19.6 ms–2
(b) 9.8 ms–2
(c) 4.9 ms–2
(d) 2.45 ms–2
Ans-(a)
 
Question-If both the mass and the radius of the earth decrease by 1%, the value of the acceleration due to gravity will
(a) decrease by 1%
(b) increase by 1%
(c) increase by 2%
(d) remain unchanged
Ans-(b)
 
Question- The height of the point vertically above the earth’s surface at which the acceleration due to gravity becomes 1% of its value at the surface is (R is the radius of the earth)
(a) 8 R
(b) 9 R
(c) 10 R
(d) 20 R
Ans-(b)
 
Question-The radius of the earth is about 6400 km and that of mars is about 3200 km. The mass of the earth is about 10 times the mass of mars. An object weighs 200 N on the surface of the earth. Its weight on the surface of mars would be
(a) 6 N
(b) 20 N
(c) 40 N
(d) 80 N
Ans-(d)
 
Question- Two objects of masses m and 4m are at rest at infinite separation. They move towards each other under mutual gravitational attraction. Then, at a separation r, which of the following is true ?
(a) The total energy of the system is zero.
(b) The force between them is not zero.
(c) The centre of mass of the system is at rest.
(d) All the above are true.
Ans-(d)
 
Question- A body is released from a height equal to the radius (R) of the earth. The velocity of the body when it strikes the surface of the earth will be
(a) √gR
(b) √2gR
(c) 2√ 2gR
(d) 2√ gR
Ans-(a)
 
Question- A high jumper can jump 2.0 m on earth. With the same effort how high will he be able to jump on a planet whose density is one-third and radius one-fourth those of the earth ?
(a) 4 m
(b) 8 m
(c) 12 m
(d) 24 m
Ans-(d)
 
Question- The escape velocity of a body projected vertically upwards from the surface of the earth is v. If the body is projected in a direction making an angle θ with the vertical, the escape velocity would be
(a) v
(b) v cos θ
(c) v sin θ
 (d) v tan θ
Ans-(a)
 
Question- For earth the escape velocity is 11.2 kms–1. For a planet whose mass and radius are twice those of the earth, the escape velocity will be
(a) 44.8 kms–1
(b) 22.4 kms–1
(c) 11.2 kms–1
(d) 2.8 kms–1
Ans-(c)
 
Question- An earth satellite is kept moving in orbit by the centripetal force provided by
(a) the burning of fuel in its engine
(b) the ejection of hot gases from its exhaust
(c) the gravitational attraction of the sun
(d) the gravitational attraction of the earth
Ans-(d)
 
Question- An instrument package is released from an orbiting earth satellite by simply detaching it from the outer wall of the satellite. The package will
(a) go away from the earth and get lost in outer space
(b) fall to the surface of the earth
(c) continue moving along with the satellite in the same orbit and with the same velocity
(d) fall through a certain distance and then move in an orbit around the earth.
Ans-(c)
 
Question- A satellite is moving around the earth in a stable circular orbit. Which one of the following statements will be wrong for such a satellite ?
(a) It is moving at a constant speed.
(b) Its angular momentum remains constant.
(c) It is acted upon by a force directed away from the centre of the earth which counter balances the gravitational pull of the earth.
(d) It behaves as if it were as freely falling body.
Ans-(c)
 
Question- Astronauts in a stable orbit around the earth are said to be in a weightless condition. The reason for this is that
(a) the capsule and its contents are falling freely at the same rate
(b) there is no gravitational force acting on them
(c) the gravitational force of the earth balances that of the sun
(d) there is no atmosphere at the height at which they are orbiting.
Ans-(a)
 
Question- Choose the wrong statement. The orbital velocity of a body in a stable orbit around a planet depends upon
(a) the average radius of the planet
(b) the height of the body above the planet
(c) the acceleration due to gravity
(d) the mass of the orbiting body
Ans-(d)
 
Question- An object weights W newton on earth. It is suspended from the lower end of a spring balance whose upper end is fixed to the ceiling of a space capsule in a stable orbit around the earth. The reading of the spring balance will be
(a) W
(b) less than W
(c) more than W
(d) zero
Ans-(d)
 
Question- Two satellites of the same mass are orbiting round the earth at heights of R and 4R above the earth’s surface: R being the radius of the earth. Their kinetic energies are in the ratio of
(a) 4 : 1
(b) 3 : 2
(c) 4 : 3
(d) 5 : 2
Ans-(d)
 
Question- A satellite is launched into a circular orbit of radius R around the earth. A second satellite is launched into an orbit of radius 1.01 R. The period of the second satellite is longer than that of the first by approximately
(a) 0.5%
(b) 1.0%
(c) 1.5%
(d) 3.0%
Ans-(c)
 
Question- If the distance between the earth and the sun were half its present value, the number of days in a year would have been
(a) 64.5
(b) 129
(c) 182.5
(d) 730
Ans-(b)


More question-


1. On which fundamental law of physics is keplers second law is based? 

2. Which is greater the attraction of the earth for 1 kg of aluminum or aluminum or attraction of 1kg of aluminum for the earth?

3. Distance between two bodies is increased to three times its original value. What is the effect on the gravitational force between them?

4. The distance of the planet Jupiter from the sun is 5.2 times that of the earth. Find the period of the Jupiter’s revolution around the sun?

5. Show that for a two particle system

F12 = F21

6. State two essential requisites of geostationary satellite?

7. Show that an artificial satellite circling round the earth in an orbit of radius obeys keeper’s third low?

8. A 400kg satellite in a circular orbit of radius 2 Re about the earth calculate the kinetic energy potential energy and total energy of the satellite?

RE = 6.4x106m

M = 6x1024kg

9. Two uniform solid spheres of radii R and 2R are at rest with their surfaces just touching. Find the force of gravitational attraction between them if density of spheres be P?

10. Find expressions for (1) potential energy (2) kinetic energy (3) total energy for an artificial satellite.


Click on link below to download CBSE Class 11 Gravitation Worksheet A.

Chapter 8 Gravitation CBSE Class 11 Physics Worksheet

The above practice worksheet for Chapter 8 Gravitation has been designed as per the current syllabus for Class 11 Physics released by CBSE. Students studying in Class 11 can easily download in Pdf format and practice the questions and answers given in the above practice worksheet for Class 11 Physics on a daily basis. All the latest practice worksheets with solutions have been developed for Physics by referring to the most important and regularly asked topics that the students should learn and practice to get better scores in their examinations. Studiestoday is the best portal for Printable Worksheets for Class 11 Physics students to get all the latest study material free of cost. Teachers of studiestoday have referred to the NCERT book for Class 11 Physics to develop the Physics Class 11 worksheet. After solving the questions given in the practice sheet which have been developed as per the latest course books also refer to the NCERT solutions for Class 11 Physics designed by our teachers. After solving these you should also refer to Class 11 Physics MCQ Test for the same chapter. We have also provided a lot of other Worksheets for Class 11 Physics which you can use to further make yourself better in Physics.

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