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Clothes dry fast on a windy day. Why ?...

Clothes dry fast on a windy day. Why ?

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How will you account for the following : (a) Clothes dry quicker on a windy day We sweat more on a humid day?

In the following example state which factor is responsible for the change in rate of evaporation and is effective. {:(i,"Colthes dry faster on a windy day",(ii),"Wet clothes dry faster on spreding them"),(iii,"Clothes dry faster in sun than in shade",(iv),"Clothes take a longer time to dry on a rainy day"):}

Wet clothes dry faster on a winter day than on a summer day. Explain.

Assign reasons for the following : Why do wet clothes do not dry easily on a rainy day.

Sound travels faster on a rainy day than on a dry day. Why?

Give reason : Sound travels faster on a rainy day than on a dry day.

Sound travels faster on a rainy day than on a dry day. Does it imply that speed of sound in moist hydrogen is greater than in dry hydrogen ?

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DINESH PUBLICATION-MATTER IN OUR SURROUNDINGS -Test Your Knowledge
  1. How will you justify that ice, water and steam are not different subst...

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  2. How will you demonstrate that interparticle spaces are present in a ma...

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  3. Enlist the main characteristics of the particle nature of matter.

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  4. What are solids ? Write the main characteristics of the solid state.

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  5. Define density. Out of the solid, liquid and gaseous states, in which ...

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  6. The kinetic energy of the particles in the liquid state is more than i...

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  7. Define melting point of a solid. Discuss its significance.

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  8. Discuss in brief the scales of measuring temerature and pressure.

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  9. Clothes dry fast on a windy day. Why ?

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  10. A substance A has a definite volume and it assumes the shape of any co...

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  11. A solid X liquefies at 25^(@)C. The liquid changes back to the solid s...

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  12. Describe an activity to show that the rate of diffusion in a liquid in...

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  13. Define liquid state of a substance. Write the important characteristic...

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  14. How will you account for the following : (a) Density of a substance ...

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  15. Give the main points of distinction in the three states of matter in ...

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  16. Discuss the effect of increasing temperature and pressure on the liqui...

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  17. Explain giving reasons that the three states of matter , i.e., solid, ...

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  18. What is evaporation ? In what way is it different from boiling ?

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  19. What is evaporation? State the various factors which affect evaporatio...

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  20. What is sublimation ? How is naphthalene sublimated ? How does the pro...

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