g Exercise - 9 What is the difference between Sound waves He gaves generated on cate Surface
Answers
For water waves, the disturbance is in the surface of the water, perhaps created by a rock thrown into a pond or by a swimmer splashing the surface repeatedly. For sound waves, the disturbance is a change in air pressure, perhaps created by the oscillating cone inside a speaker.
Answer:
Fill in the blanks with the correct form of the verbs given in brackets.
1. She ………………….. (go) to her office with a friend.
2. Why you ………………….. (like) movies?
3. My friend ………………….. (visit) his grandmother every day.
4. (do) Ritesh ………………….. (love) the cold weather?
5. …………………. (do) you ………………….. (plan) to visit Kashmir this year?
6. We always ………………….. (have) an early dinner.
7. His parents ………………….. (plan) a trip abroad every six months.
8. Our doctor in the neighbourhood ………………….. (make) a lot of money.
9. I ………………….. (help) my mother sometimes.
10. Sheetal ………………….. (come) here every Sunday.
11. We ………………….. (eat) rice for dinner every day.
12. He never ………………….. (hide) the truth.
13. Make hay while the sun ………………….. (shine)
14. Apples ………………….. (be) good for health.
15. The dogs ………………….. (bark) every night.
16. You ………………….. (use) the phone every day.