Or, w2 = $\frac{{{\rm{G}}{{\rm{m}}_1}}}{{{{\left( {{{\rm{r}}_1} + {{\rm{r}}_2}} \right)}^2}{\rm{*}}{{\rm{r}}_2}}}$, Or, w2 = $\frac{{6.7{\rm{*}}{{10}^{ - 11}}{\rm{*}}2{\rm{*}}{{10}^{20}}}}{{{{\left( {{{10}^6}} \right)}^2}{\rm{*}}\frac{2}{3}{\rm{*}}{{10}^6}}}$. Contact. Height of the satellite h = 800km = 8 * 103m, Radius of the orbit of satellite r = R + h. Total energy E of the satellite in the orbit. Questions / Answers; Numericals; M.C.Q.s; Important Questions; chapter #3 - Motion. ENROLL. 1800-212-7858 / 9372462318. These are (i) the gravitational force (ii) the electromagnetic force 15– Flow of Liquids . or, g’ = ${\left( {1 + \frac{1}{2}} \right)^{ - 2}}$g. Distance of satellite from the centre of the earth d = 2R. Kinematics. Derive its mathematical formula. CBSE class 11 Physics notes with derivations are best notes by our expert team. Lesson 5 • Nov 28, 2020 5:30 AM. Complete Physics Course - Class 11 OFFERED PRICE: Rs. Solved Examples on Gravitation Download IIT JEE Solved Examples on Gravitation. Again. The ISC Class 11th Physics contains 30 chapters of the prescribed current syllabus . Now, g = $\frac{{{\rm{GM}}}}{{{{\rm{R}}^2}}}$, = $\frac{{{\rm{G*V}}\delta }}{{{{\rm{R}}^2}}}$. They are as follows: (i) Law of orbits. Physics Numericals For Class 11 Practicing numerical helps learners to enhance their knowledge about the subject and increases their speed of understanding and solving problems. Work, Power and Energy. (iii) Let Vx and Vy be the potential energies of the satellite X and Y respectively. = $\frac{4}{3}$ * 3.142 * 6.4 * 106 * 5500 * 6.67 * 10-11. or,  v2 = $\frac{{{\rm{GM}}}}{{\rm{r}}}$. Or, 10 = $\frac{{{\rm{GM}}}}{{{{\rm{R}}^2}}}$ …(i), Also, F’ = $\frac{{{\rm{GMm}}}}{{{{\rm{r}}^2}}}$ = $\frac{{{\rm{GMm}}}}{{{{\left( {\frac{{3{\rm{R}}}}{2}} \right)}^2}}}$, = $\frac{{{\rm{GM}}}}{{{{\rm{R}}^2}}}$ * $\frac{{4{\rm{m}}}}{9}$, Equilateral radius of earth Req = 6.378 * 106m, gp = $\frac{{{\rm{GM}}}}{{{\rm{R}}{{\rm{p}}^2}}}$, or, gp = $\frac{{6.67{\rm{*}}{{10}^{ - 11}}{\rm{*}}5.957{\rm{*}}{{10}^{24}}}}{{{{\left( {6.357{\rm{*}}{{10}^6}{\rm{\: }}} \right)}^2}}}$. CBSE Class 9 Physics Worksheet - Gravitation - Practice worksheets for CBSE students. Then. Or, gm = $\frac{1}{6}$$(\frac{{4{\rm{\pi }}}}{3}$δeGRe) = $\frac{1}{6}$ge. Given: radius of orbit of satellite x, rx = R. Let m and M be the mass of the satellite and the earth respectively. If you have any query regarding NCERT Solutions for Class 11 Physics Chapter 8 Gravitation, drop a comment below and we will get back to you at the earliest. Derive its mathematical formula. 1. So, acceleration of free fall at the earth’s surface g = 9.9 m/s2. Rajasthan Board RBSE Class 11 Physics Chapter 6 Gravitation RBSE Class 11 Physics Chapter 6 Textbook Exercises with Solutions RBSE Class 11 Physics Chapter 6 Very Short Answer Type Questions Question 1. Or, d3 = $\frac{{221.39{\rm{*}}{{10}^{25}}}}{{39.44}}$, So, radius of asteroid R = $\frac{{\rm{d}}}{2}$, = $\frac{4}{3}{\rm{\pi \: }}{{\rm{R}}^3}{\rm{*}}\delta$, Escape velocity V = $\sqrt {2\frac{{{\rm{Gm}}}}{{\rm{R}}}}$, = $\sqrt {2{\rm{G}}\frac{4}{3}{\rm{\pi }}\frac{{\delta {{\rm{R}}^3}}}{{\rm{R}}}}$, = $\sqrt {2{\rm{G}}\delta \frac{4}{3}{\rm{\pi }}{{\rm{R}}^2}}$, = $\sqrt {2{\rm{*}}6.67{\rm{*}}{{10}^{ - 11}}{\rm{*}}2.5{\rm{*}}{{10}^3}{\rm{*}}1.33{\rm{*}}3.14{\rm{*}}2.25{\rm{*}}{{10}^{10}}}$. State the universal law of gravitation and its mathematical form. So, here is the Class 11 Physics Gravitation Notes for IIT JEE, NEET & Board Exam Preparation. Solve Numericals. We have lots of study material written in easy language that is easy to follow. HC Verma Solutions for Class 11 Physics – Part 1 HC Verma Physics books are the most preferred books among students of CBSE schools. The mass of the Sun is 2 x 10 30 kg and that of the Earth is 6 x 10 24 kg. Lesson 6 • Nov 26, 2020 1:00 PM. Unit 8: Heat and Thermodynamics. Radius of earth R = 6.4 * 106m, If r be the radius of orbit of satellite. This revision series is free for all. For the moon to be in the circular orbit the gravitational force must be equal to the centripetal force. 1 CBSE Class 11 Physics – Important Objective and Practice MCQs. Numericals from Physics, Chapter No.6 (Gravitation) for Class 11th, XI, HSC Part 1, 1st Year. Practical Centre Notes Physics Class 11th. Or, mg = $\frac{{{\rm{GMm}}}}{{{{\rm{R}}^2}}}$. 6] Vertical Motion – Numericals with solution for JEE, NEET, AP Physics, WBJEE class 11 syllabus – covering Vertical motion. The notes contain solution of all the numerical given in the chapter. Question from very important topics are covered by NCERT Exemplar Class 11.You also get idea about the type of questions and method to answer in your Class 11th … 2 ] What is the gravitational force between the Sun and the Earth? Physics problems with pseudo force and solutions – inclined plane/wedge Try your concepts on pseudo force. Mass of the moon = 7.4 x 10^22 kg radius of the moon = 1.74 x 10^6 m G = 6.67 x 10^(-11) N-m^2/kg^2. Acceleration due to gravity g = 0.278 m/s2. The value of G was found out by Henry Covendish by using a … Since, the centripetal force is equal to the gravitational force. 1.05 What lies behind the phenomenal progress of Physics, 2.04 Measurement of Large Distances: Parallax Method, 2.05 Measurement of Small Distances: Size of Molecules, 2.08 Accuracy and Precision of Instruments, 2.10 Absolute Error, Relative Error and Percentage Error: Concept, 2.11 Absolute Error, Relative Error and Percentage Error: Numerical, 2.12 Combination of Errors: Error of a sum or difference, 2.13 Combination of Errors: Error of a product or quotient, 2.15 Rules for Arithmetic Operations with Significant Figures, 2.17 Rules for Determining the Uncertainty in the result of Arithmetic Calculations, 2.20 Applications of Dimensional Analysis, 3.06 Numerical’s on Average Velocity and Average Speed, 3.09 Equation of Motion for constant acceleration: v=v0+at, 3.11 Equation of Motion for constant acceleration: x = v0t + ½ at2, 3.13 Equation of motion for constant acceleration:v2= v02+2ax, 3.14 Numericals based on Third Kinematic equation of motion v2= v02+2ax, 3.15 Derivation of Equation of motion with the method of calculus, 3.16 Applications of Kinematic Equations for uniformly accelerated motion, 4.03 Multiplication of Vectors by Real Numbers, 4.04 Addition and Subtraction of Vectors – Graphical Method, 4.09 Numericals on Analytical Method of Vector Addition, 4.10 Addition of vectors in terms of magnitude and angle θ, 4.11 Numericals on Addition of vectors in terms of magnitude and angle θ, 4.12 Motion in a Plane – Position Vector and Displacement, 4.15 Motion in a Plane with Constant Acceleration, 4.16 Motion in a Plane with Constant Acceleration: Numericals, 4.18 Projectile Motion: Horizontal Motion, Vertical Motion, and Velocity, 4.19 Projectile Motion: Equation of Path of a Projectile, 4.20 Projectile Motion: tm , Tf and their Relation, 5.06 Newton’s Second Law of Motion: Numericals, 5.08 Numericals on Newton’s Third Law of Motion, 5.11 Equilibrium of a Particle: Numericals, 5.16 Circular Motion: Motion of Car on Level Road, 5.17 Circular Motion: Motion of a Car on Level Road – Numericals, 5.18 Circular Motion: Motion of a Car on Banked Road, 5.19 Circular Motion: Motion of a Car on Banked Road – Numerical, 6.09 Work Energy Theorem For a Variable Force, 6.11 The Concept of Potential Energy – II, 6.12 Conservative and Non-Conservative Forces, 6.14 Conservation of Mechanical Energy: Example, 6.17 Potential Energy of Spring: Numericals, 6.18 Various Forms of Energy: Law of Conservation of Energy, 6.20 Collisions: Elastic and Inelastic Collisions, 07 System of Particles and Rotational Motion, 7.05 Linear Momentum of a System of Particles, 7.06 Cross Product or Vector Product of Two Vectors, 7.07 Angular Velocity and Angular Acceleration – I, 7.08 Angular Velocity and Angular Acceleration – II, 7.12 Relationship between moment of a force ‘?’ and angular momentum ‘l’, 7.13 Moment of Force and Angular Momentum: Numericals, 7.15 Equilibrium of a Rigid Body – Numericals, 7.19 Moment of Inertia for some regular shaped bodies, 8.01 Historical Introduction of Gravitation, 8.05 Numericals on Universal Law of Gravitation, 8.06 Acceleration due to Gravity on the surface of Earth, 8.07 Acceleration due to gravity above the Earth’s surface, 8.08 Acceleration due to gravity below the Earth’s surface, 8.09 Acceleration due to gravity: Numericals, 9.01 Mechanical Properties of Solids: An Introduction, 9.08 Determination of Young’s Modulus of Material, 9.11 Applications of Elastic Behaviour of Materials, 10.05 Atmospheric Pressure and Gauge Pressure, 10.18 Viscosity and Stokes’ Law: Numericals, 10.20 Surface Tension: Concept Explanation, 11.03 Ideal-Gas Equation and Absolute Temperature, 12.08 Thermodynamic State Variables and Equation of State, 12.09 Thermodynamic Processes: Quasi-Static Process, 12.10 Thermodynamic Processes: Isothermal Process, 12.11 Thermodynamic Processes: Adiabatic Process – I, 12.12 Thermodynamic Processes: Adiabatic Process – II, 12.13 Thermodynamic Processes: Isochoric, Isobaric and Cyclic Processes, 12.17 Reversible and Irreversible Process, 12.18 Carnot Engine: Concept of Carnot Cycle, 12.19 Carnot Engine: Work done and Efficiency, 13.01 Kinetic Theory of Gases: Introduction, 13.02 Assumptions of Kinetic Theory of Gases, 13.07 Kinetic Theory of an Ideal Gas: Pressure of an Ideal Gas, 13.08 Kinetic Interpretation of Temperature, 13.09 Mean Velocity, Mean square velocity and R.M.S. 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