JEE Exam > JEE Notes > Physics for JEE Main & Advanced > JEE Advanced Previous Year Questions (2018 - 2023): Gravitation
JEE Advanced Previous Year Questions (2018 - 2023): Gravitation | Physics for JEE Main & Advanced PDF Download
2023
Q1: Two satellites P and Q are moving in different circular orbits around the Earth (radius R ). The heights of P and Q from the Earth surface are ℎP and ℎQ, respectively, where ℎP = R/3. The accelerations of P and Q due to Earth's gravity are gP and gQ, respectively. If gP/gQ = 36/25, what is the value of ℎQ ?
[JEE Advanced 2023 Paper 1]
(a) 3R /5
(b) R / 6
(c) 6R / 5
(d) 5R/5
Ans: (a)
The formula to calculate the acceleration due to gravity at a height ( h ) from the surface of the Earth is expressed as :
To find the ratio of gravitational acceleration at two different heights ( hP ) and ( hQ ) above the Earth's surface, use the formula for each and form a ratio :
Given ℎP=Re/3, the ratio simplifies to:
Solving for ℎQ in terms of Re yields
.2022
Q1: Two spherical stars A and B have densities ρA and ρB, respectively. A and B have the same radius, and their masses MA and MB are related by MB = 2MA. Due to an interaction process, star A loses some of its mass, so that its radius is halved, while its spherical shape is retained, and its density remains ρA. The entire mass lost by A is deposited as a thick spherical shell on B with the density of the shell being ρA. If vA and vB are the escape velocities from A and B after the interaction process, the ratio 
. The value of n is __________ . [JEE Advanced 2022 Paper 1]
Ans: 2.2 to 2.4
Due to an interaction process, star A losses some of it's mass and radius becomes R/2. Let new mass of star A is M'A. Here in both cases density of star A remains same ρA.
Initially 
Finally 
Density remains same, 
So, Lost mass by
This lost mass 7MA / 8 is attached on the star B and density of the attached mass stay ρA. So new radius of star B is R2.
Density of the removed part from star A is,
Density of the added part in star B stay's same as ρA,
Escape velocity from star A after interaction process,
And escape velocity from star B after interaction process,
Given,
Comparing equation (1) and (2), we get,
10n = 23
⇒ n = 2.3
2021
Q1: The distance between two stars of masses 3MS and 6MS is 9R. Here R is the mean distance between the centers of the Earth and the Sun, and MS is the mass of the Sun. The two stars orbit around their common center of mass in circular orbits with period nT, where T is the period of Earth's revolution around the Sun. The value of n is __________. [JEE Advanced 2021 Paper 2]
Ans: 9
For earth-sun system,
For binary system
Using Eqs. (i) and (ii), we get
T = 9T0
So, n = 9
2019
Q1: Consider a spherical gaseous cloud of mass density ρ(r) in free space where r is the radial distance from its center. The gaseous cloud is made of particles of equal mass m moving in circular orbits about the common center with the same kinetic energy K. The force acting on the particles is their mutual gravitational force. If ρ(r) is constant in time, the particle number density n(r) = ρ(r)/m is [G is universal gravitational constant]
(a)
(b)
(c)
(d)
[JEE Advanced 2019 Paper 1]Ans: (d)
Gravitational force = Centripetal force of the earth
(∵ M = total mass from 0 to r)
Differentiate on both sides, we get
(∵ volume = mass × density)
2018
Q1: A planet of mass M, has two natural satellites with masses m1 and m2. The radii of their circular orbits are R1 and R2 respectively, Ignore the gravitational force between the satellites. Define v1,L1,K1 and T1 to be , respectively, the orbital speed, angular momentum, kinetic energy and time period of revolution of satellite 1; and v2,L2,K2, and T2 to be the corresponding quantities of satellite 2. Given m1/m2 = 2 and R1/R2 = 1/4, match the ratios in List-I to the numbers in List- II.
(a) P → 4, Q → 2, R → 1, S → 3
(b) P → 3, Q → 2, R → 4, S → 1
(c) P → 2, Q → 3, R → 1, S → 4
(d) P → 2, Q → 3, R → 4, S → 1 [JEE Advanced 2018 Paper 2]
Ans: (b)
Given m1/m2 = 2 and R1/R2 = 1/4
Now,
Thus, the correct mapping is P → 3.
Now, L = mvR
Thus, the correct mapping is Q → 2.
Now,
Thus, the correct mapping is R → R.
Now,
Thus, the correct mapping is S → 1.
Therefore, option (B) is correct.
The document JEE Advanced Previous Year Questions (2018 - 2023): Gravitation | Physics for JEE Main & Advanced is a part of the JEE Course Physics for JEE Main & Advanced.
All you need of JEE at this link: JEE
|
289 videos|635 docs|179 tests
|
FAQs on JEE Advanced Previous Year Questions (2018 - 2023): Gravitation - Physics for JEE Main & Advanced
| 1. What is the law of gravitation? |  |
Ans. The law of gravitation states that every particle in the universe attracts every other particle with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them.
| 2. How does the force of gravity vary with distance? | |
Ans. The force of gravity follows an inverse square law with distance. This means that as the distance between two objects increases, the force of gravity decreases. Specifically, the force of gravity is inversely proportional to the square of the distance between the objects.
| 3. What is the difference between mass and weight? | |
Ans. Mass is a measure of the amount of matter in an object and is constant regardless of the location. Weight, on the other hand, is a measure of the force of gravity acting on an object and depends on the gravitational field strength. Weight can vary depending on the location, but mass remains the same.
| 4. How does the value of 'g' vary on different planets? | |
Ans. The value of 'g', which represents the acceleration due to gravity, varies on different planets. It depends on the mass and radius of the planet. Generally, planets with larger masses and smaller radii will have a higher value of 'g', resulting in a stronger gravitational pull.
| 5. How does the gravitational force between two objects change if their masses are doubled? | |
Ans. If the masses of two objects are doubled, the gravitational force between them will also double. This is because the force of gravity is directly proportional to the product of the masses. Therefore, increasing the masses by a factor of two will result in a corresponding increase in the gravitational force.
Related Exams
About this Document
|
4.71/5 Rating |
|
Nov 21, 2024 Last updated |
Document Description: JEE Advanced Previous Year Questions (2018 - 2023): Gravitation for JEE 2024 is part of Physics for JEE Main & Advanced preparation.
The notes and questions for JEE Advanced Previous Year Questions (2018 - 2023): Gravitation have been prepared according to the JEE exam syllabus. Information about JEE Advanced Previous Year Questions (2018 - 2023): Gravitation covers topics
like 2023, 2022, 2021, 2019, 2018 and JEE Advanced Previous Year Questions (2018 - 2023): Gravitation Example, for JEE 2024 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for JEE Advanced Previous Year Questions (2018 - 2023): Gravitation.
Introduction of JEE Advanced Previous Year Questions (2018 - 2023): Gravitation in English is available as part of our Physics for JEE Main & Advanced
for JEE & JEE Advanced Previous Year Questions (2018 - 2023): Gravitation in Hindi for Physics for JEE Main & Advanced course.
Download more important topics related with notes, lectures and mock test series for JEE
Exam by signing up for free. JEE: JEE Advanced Previous Year Questions (2018 - 2023): Gravitation | Physics for JEE Main & Advanced
Description
Full syllabus notes, lecture & questions for JEE Advanced Previous Year Questions (2018 - 2023): Gravitation | Physics for JEE Main & Advanced - JEE | Plus excerises question with solution to help you revise complete syllabus for Physics for JEE Main & Advanced | Best notes, free PDF download
Information about JEE Advanced Previous Year Questions (2018 - 2023): Gravitation
In this doc you can find the meaning of JEE Advanced Previous Year Questions (2018 - 2023): Gravitation defined & explained in the simplest way possible. Besides explaining types of
JEE Advanced Previous Year Questions (2018 - 2023): Gravitation theory, EduRev gives you an ample number of questions to practice JEE Advanced Previous Year Questions (2018 - 2023): Gravitation tests, examples and also practice JEE
tests
|
Explore Courses for JEE exam
|
|
Signup for Free!
Signup to see your scores go up within 7 days! Learn & Practice with 1000+ FREE Notes, Videos & Tests.
Related Searches
Viva Questions
,Important questions
,video lectures
,Exam
,MCQs
,study material
,Previous Year Questions with Solutions
,Free
,shortcuts and tricks
,JEE Advanced Previous Year Questions (2018 - 2023): Gravitation | Physics for JEE Main & Advanced
,practice quizzes
,JEE Advanced Previous Year Questions (2018 - 2023): Gravitation | Physics for JEE Main & Advanced
,past year papers
,Objective type Questions
,Sample Paper
,mock tests for examination
,Summary
,Semester Notes
,Extra Questions
,JEE Advanced Previous Year Questions (2018 - 2023): Gravitation | Physics for JEE Main & Advanced
,ppt
;
Additional Information about JEE Advanced Previous Year Questions (2018 - 2023): Gravitation for JEE Preparation
JEE Advanced Previous Year Questions (2018 - 2023): Gravitation Free PDF Download
The JEE Advanced Previous Year Questions (2018 - 2023): Gravitation is an invaluable resource that delves deep into the core of the JEE exam.
These study notes are curated by experts and cover all the essential topics and concepts, making your preparation more efficient and effective.
With the help of these notes, you can grasp complex subjects quickly, revise important points easily,
and reinforce your understanding of key concepts. The study notes are presented in a concise and easy-to-understand manner,
allowing you to optimize your learning process. Whether you're looking for best-recommended books, sample papers, study material,
or toppers' notes, this PDF has got you covered. Download the JEE Advanced Previous Year Questions (2018 - 2023): Gravitation now and kickstart your journey towards success in the JEE exam.
Importance of JEE Advanced Previous Year Questions (2018 - 2023): Gravitation
The importance of JEE Advanced Previous Year Questions (2018 - 2023): Gravitation cannot be overstated, especially for JEE aspirants.
This document holds the key to success in the JEE exam.
It offers a detailed understanding of the concept, providing invaluable insights into the topic.
By knowing the concepts well in advance, students can plan their preparation effectively.
Utilize this indispensable guide for a well-rounded preparation and achieve your desired results.
JEE Advanced Previous Year Questions (2018 - 2023): Gravitation Notes
JEE Advanced Previous Year Questions (2018 - 2023): Gravitation Notes offer in-depth insights into the specific topic to help you master it with ease.
This comprehensive document covers all aspects related to JEE Advanced Previous Year Questions (2018 - 2023): Gravitation.
It includes detailed information about the exam syllabus, recommended books, and study materials for a well-rounded preparation.
Practice papers and question papers enable you to assess your progress effectively.
Additionally, the paper analysis provides valuable tips for tackling the exam strategically.
Access to Toppers' notes gives you an edge in understanding complex concepts.
Whether you're a beginner or aiming for advanced proficiency, JEE Advanced Previous Year Questions (2018 - 2023): Gravitation Notes on EduRev are your ultimate resource for success.
JEE Advanced Previous Year Questions (2018 - 2023): Gravitation JEE
The "JEE Advanced Previous Year Questions (2018 - 2023): Gravitation JEE Questions" guide is a valuable resource for all aspiring students preparing for the
JEE exam. It focuses on providing a wide range of practice questions to help students gauge
their understanding of the exam topics. These questions cover the entire syllabus, ensuring comprehensive preparation.
The guide includes previous years' question papers for students to familiarize themselves with the exam's format and difficulty level.
Additionally, it offers subject-specific question banks, allowing students to focus on weak areas and improve their performance.
Study JEE Advanced Previous Year Questions (2018 - 2023): Gravitation on the App
Students of JEE can study JEE Advanced Previous Year Questions (2018 - 2023): Gravitation alongwith tests & analysis from the EduRev app,
which will help them while preparing for their exam. Apart from the JEE Advanced Previous Year Questions (2018 - 2023): Gravitation,
students can also utilize the EduRev App for other study materials such as previous year question papers, syllabus, important questions, etc.
The EduRev App will make your learning easier as you can access it from anywhere you want.
The content of JEE Advanced Previous Year Questions (2018 - 2023): Gravitation is prepared as per the latest JEE syllabus.
|
© EduRev
|
Education Revolution
|
Follow Us
|
Signup to see your scores
go up within 7 days!
Access 1000+ FREE Docs, Videos and Tests
Takes less than 10 seconds to signup