By keeping moment of inertia of a body is constant, if we double the time period, then angular momentum of body is

  • Option 1)

    Remains constant

  • Option 2)

    Doubles

  • Option 3)

    Becomes half

  • Option 4)

    Quadruples

 

Answers (2)

As we learnt in

Law of conservation of angular moment -

\vec{\tau }= \frac{\vec{dL}}

- wherein

If net torque is zero

i.e. \frac{\vec{dL}}= 0

\vec{L}= constant

angular momentum is conserved only when external torque is zero .

 

 Becomes half.

 


Option 1)

Remains constant

Incorrect

Option 2)

Doubles

Incorrect

Option 3)

Becomes half

Correct

Option 4)

Quadruples

Incorrect

Preparation Products

Knockout BITSAT 2020

It is an exhaustive preparation module made exclusively for cracking BITSAT..

₹ 4999/- ₹ 1999/-
Buy Now
Knockout BITSAT 2021

It is an exhaustive preparation module made exclusively for cracking BITSAT..

₹ 4999/- ₹ 2999/-
Buy Now
Knockout BITSAT-JEE Main 2021

An exhaustive E-learning program for the complete preparation of JEE Main and Bitsat.

₹ 27999/- ₹ 16999/-
Buy Now
Knockout BITSAT-JEE Main 2020

An exhaustive E-learning program for the complete preparation of JEE Main and Bitsat.

₹ 14999/- ₹ 7999/-
Buy Now
Exams
Articles
Questions