Question

Q.Anita’s mother asked her to buy some groceries from the nearby store which was approximately 200 m away from their house. On her way to the store, she got way too exited to see the annual fair being held and travelled about 100 m extra to see the extravagant fair. She took 2 mins 30 s to reach the fair. Upon reaching there she remembered her mother’s orders and returned back to the store in another 1 min to buy the groceries.
What was Anita’s average speed and average velocity in going from
( i ) Her house to the annual fair.
( ii ) Her house to the store.

Justify each step of your calculation

Answer 1

Answer:

the fact or phenomenon of light, radio waves, etc. being deflected in passing obliquely through the interface between one medium and another or through a medium of varying density.

change in direction of propagation of any wave as a result of its travelling at different speeds at different points along the wave front.

measurement of the focusing characteristics of an eye or eyes.