Home
Class 11
PHYSICS
(I) Perpendicular Axis theorem holds goo...

(I) Perpendicular Axis theorem holds good only for plane Laminar objects.
(II) The perpendicular distance between the Axis of Rotation of a body and the centre of gravity of the body is called Radius of Gyration.
Which one is correct ?

A

I only

B

II only

C

both are correct

D

None

Text Solution

Verified by Experts

The correct Answer is:
c
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES

    SURA PUBLICATION|Exercise VERY SHORT ANSWER QUESTION :|14 Videos

  • MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES

    SURA PUBLICATION|Exercise CREATIVE QUESTIONS (HOTS)|5 Videos

  • MOTION OF SYSTEM OF PARTICLES AND RIGID BODIES

    SURA PUBLICATION|Exercise ASSERTION & REASON :|2 Videos

  • KINETIC THEORY OF GASES

    SURA PUBLICATION|Exercise VALUE BASED QUESTIONS|4 Videos

  • NATURE OF PHYSICAL WORLD AND MEASUREMENT

    SURA PUBLICATION|Exercise ADDITIONAL QUESTIONS|241 Videos

Similar Questions

Explore conceptually related problems

A particle goes in a circle of radius 2.0 cm. A concave mirror of focal length 20 cm is placed with its principal axis passing through the centre of the circle and perpendicular to its plane. The distance between the pole of the mirror and the centre of the circle is 30 cm. Calculate the radius of the circle formed by the image.

A body of mass 50 g is revolvig about an axis in a circular path. The distance of the centre of mass of the body from the axis of rotation is 50 cm. Find the moment of inertia of the body.

Knowledge Check

  • When the axis of rotation passes through its centre of gravity, then the moment of inertia of a rigid body is .......

    A
    reduced, to its minimum value
    B
    zero
    C
    ncreased to its maximum value
    D
    infinity

  • (I) Copernicous and Kepler measured the distance between a planet and the sun using simple Geometry and Trignometry. (II) Eratosthenes measured radius of the Jupiter. Which one is correct statement?

    A
    I only
    B
    II only
    C
    both are correct
    D
    None

  • I : Electromagnetic wave is a mechanical wave. II : The energy crossing per unit area per unit time and perpendicular to the direction of propagation of electromagnetic wave is called intensity. Which one is correct?

    A
    I only
    B
    II only
    C
    both are correct
    D
    none

    • Similar Questions

    Explore conceptually related problems

    A body of mass 50 g is revolvig about an axis in a circular path. The distance of the centre of mass of the body from the axis of rotation is 50 cm. Find the moment of inertia of the body.

    A rod of length l rotates with a small but uniform angular velocity omega about its perpendicular bisector. A uniform magnetic field B exists parallel to the axis of rotation. The potential difference between the centre of the rod and an end is

    A Circular metal of are 0.03 m^(2) rotates in a uniform magnetic field of 0.4 T.The axis of rotation passes through the centre and perpendicular to its plane and is also parallel to the field .If the disc completes.20 revolution in one second and the resistance of the disc is 4 Omega .calculate the induced between the axis and the rim and induced curent flowing in the disc.

    One end of a horizontal cylindrical glass rod (mu=1.5) of radius 5.0 cm is rounded in the shape of a hemisphere. An object 0.5 mm high is placed perpendicular to the axis of the rod at a difference of 20.0 cm from the rounded edge. Locate the image of the object and find its height.

    shows a conducting disc rotating about its axis in a perpendicular magnetic field B. A resistor of resistance R is connected between the centre and the rim. Calculate the current in the resistor. Does it enter the disc or leave it at the centre? The radius of hte disc is 5.0 cm , angular speed omega = 10 rad/s, B = 0.40 T and R = 10 Omega .

    Home
    Profile