Q2. Short-answer type questions :
inaclo
1. Write two precautions that should be taken in cyclone prone areas ?
2. Differentiate between real and virtual image ?
3. Why convex rear view mirror is used in a car?
Q3. Short - answer type questions ll :
1. What do you mean by principal focus and focal length ? Show diagrammatically on convex lens
2. What are the characteristics of the image formed by a plane mirror ?
3. Differentiate between uniform and non uniform motion (draw graph for each )
4. A van travels a distance of 450 km in 9 hours. find its speed ?
Q4. Long answer type questions :
1. Describe an activity to show that increased wind speed lowers the pressure ?
2. i. Explain how can we measure time using pendulum ?
ii.Draw labeled diagram showing 1 complete oscillation
iii. How time period is related to length of the string ?
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Answer:
sorry i don't know.
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