1.

Assertion: For the planets orbiting around the sun, angular speed, linear speed, K.E. changes with time , but angular momentum remains constant. Reason: No torque is acting on the rotating planet. So its angular momentum is constant.

Answer»

Both ASSERTION and Reason are true and Reason is the CORRECT EXPLANATION of Assertion
Both Assertion and Reason are true and Reason is not the correct explanation of Assertion
Assertion is true and Reason is FALSE
Assertion is false and Reason is true

Answer :A


Discussion

No Comment Found