Question

8. Assertion
Reason
9. Assertion
Reason
: Work done by an athlete completing a round of a field is zero.
: The displacement of a body returning back to initial position is zero
: Smell of hot food spread several metres away.
: Diffusion takes place fastest in hot gases.​ which one is the right answer

Answer 1

Answer:

Hey mate ✌✌✌

Here is your answer.

As it is assertion and reason its answer are as follows :

8) option A

9) option A

But according to your question

The right answer is 9) option is right as both statements are correct .

Diffusion takes place faster in hot gases as hot air is lighter so it travels a several distance .

HOPE IT WILL HELPS YOU.

Answer 2

Explanation:

The displacement of a body returning back to initial position is zero