State the laws of falling bodies.

Important Questions on Gravitation

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 11 - Gravitation>EXERCISE>Q 6

What is a simple pendulum? How it is realised in practice? What is effective length and time period $\left(T\right)$ of a simple pendulum? State the laws of simple pendulum. What is seconds pendulum? Draw graphs to show the variations of $T^2$ and $T$ with effective length $\left(L\right)$.

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 11 - Gravitation>EXERCISE>Q 7

With the help of a simple pendulum how can you find the height.

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 11 - Gravitation>EXERCISE>Q 7

With the help of a simple pendulum how can you find the depth of a place.

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 11 - Gravitation>EXERCISE>Q 7

With the help of a simple pendulum, how can you find the acceleration of the frame of reference in which the pendulum is situated? Explain what should be the time period of a simple pendulum in a freely falling frame.

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 11 - Gravitation>EXERCISE>Q 8

Explain the different cases for which a pendulum driven clock may go slow or fast. How we may set it right?

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 11 - Gravitation>EXERCISE>Q 9

What is the gravitational field? Explain what is intensity.

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 11 - Gravitation>EXERCISE>Q 9

What is a gravitational field? Explain what is the potential at a point in a gravitational field. Find the intensity and potential at a distance $r$ from a point mass $m$. Find the relation between intensity and potential. State the essential characteristics of the gravitational force or the field. How can we  calculate the force between two extended bodies?

HARD

11th West Bengal Board

IMPORTANT

A Text Book of PHYSICS PART I : CLASS 11>Chapter 11 - Gravitation>EXERCISE>Q 10

Find the gravitational potential $\left(V\right)$ and intensity $\left(E\right)$ at a point at a distance $r$ from the centre of a uniform ring of radius $a$.