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Choose the correct answer from among the given ones: The gravi
Physics Part-I
Physics Part-I

Class 11

NCERT

Publisher:
NCERT
Subject:
Physics
1

Chapter 1: Physical World

16 questions

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2

Chapter 2: Units and Measurements

51 questions

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3

Chapter 3: Motion in Straight Line

50 questions

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4

Chapter 4: Motion in a Plane

43 questions

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5

Chapter 5: Laws of motion

52 questions

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6

Chapter 6: Work, Energy and Power

41 questions

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7

Chapter 7: System of Particles and Rotational Motion

45 questions

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8

Chapter 8: Gravitation

33 questions

Q1
Which of the following symptoms is not likely to afflict an astronaut in space  
Q2
Choose the correct answer from among the given ones:
The gravitational intensity at the center of a hemispherical shell of uniform mass density has the direction indicated by the arrow in the above figure.
Q3

For the above problem, the direction of the gravitational intensity at an arbitrary point P is indicated by the arrow (i) d, (ii) e, (iii) f, (iv) g.
Use the fig for reference
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Question
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Choose the correct answer from among the given ones:
The gravitational intensity at the center of a hemispherical shell of uniform mass density has the direction indicated by the arrow in the above figure.
Gravitational potential

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Updated on: Dec 10, 2022

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Book:

Physics Part-I (NCERT)

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Choose the correct answer from among the given ones:
The gravitational intensity at the center of a hemispherical shell of uniform mass density has the direction indicated by the arrow in the above figure.
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A hemisphere can be considered to be made up of many infinitesimally thin concentric rings. Figure shows cross-section of a hemisphere of a radius r. It is composed of many rings of radius x where 0<x<r. Gravitational intensity due to a small ring of radius x is as shown in the figure. Gravitational intensity due to all rings . In other words, total gravitational intensity is the integral of gravitational intensity of all infinitesimally small rings which is in the upward direction.

Therefore for the given figure, the gravitational intensity will be towards (c).
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Choose the correct answer from among the given ones:
The gravitational intensity at the center of a hemispherical shell of uniform mass density has the direction indicated by the arrow in the above figure.
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For the above problem, the direction of the gravitational intensity at an arbitrary point P is indicated by the arrow (i) d, (ii) e, (iii) f, (iv) g.
Use the fig for reference
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Question Text
Choose the correct answer from among the given ones:
The gravitational intensity at the center of a hemispherical shell of uniform mass density has the direction indicated by the arrow in the above figure.
Updated OnDec 10, 2022
TopicGravitation
SubjectPhysics
ClassClass 11
Answer TypeText solution:1 Video solution: 1
Upvotes152
Avg. Video Duration25 min