Question

When two bodies collide elastically, then

• A. Kinetic energy of the system alone is conserved
• B. Only momentum is conserved
• C. Both energy and momentum are conseved
• D. Neither energy nor momentum is conserved

Answer 1

The correct option is C Both energy and momentum are conseved

In collisions in absence of any external force the $momentum$ is conserved.

As the collision is $elastic$ so there will $not$ be any $deformation$ in the shapes of the bodies so there will not be any

$loss$ in energy so the $energy$ will remain $constant.$