Question

Why does visibility increase after rain?

April 26, 2024

Answer

Rain dissolves all the dust particles in atmosphere and brings them down to earth, thus increasing visibility.

💡 Some Related Questions

Raghav is given a glass bottle with some white substances in it that is either chalk or sugar. How can he find out which of the two is sugar or chalk, without tasting it?

Name the steps and methods you will use to separate the following: (i) Coconut oil, salt and water. (ii) Chalk powder, water and stones (iii) Iron filings, sand and salt.

A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.

You are provided with a mixture of salt, sand, oil and water. Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram.

Read the story titled “WISE FARMER” and tick the correct option to complete the story. A farmer was i. sad/happy to see his healthy wheat crop ready for harvest. He harvested the crops and left it under the ii. Sun/rain to dry the stalks. To separate the seeds from the bundles of the stalk he iii. handpicked/threshed them. After gathering the seed grains, he wanted to separate the stones and husk from it. His wife iv. winnowed/threshed them to separate the husk and later v. sieved/handpicked to remove stones from it. She ground the wheat grains and vi. sieved/filtered the flour. The wise farmer and his wife got a good price for the flour.

Paheli was feeling thirsty but there was only a pot of water at home which was muddy and unfit for drinking. How do you think Paheli would have made this water fit for drinking if the following materials were available to her. Alum, tub, muslin cloth, gas stove, thread, pan and lid.

Both Sarika and Mohan were asked to make salt solution. Sarika was given a teaspoonful of salt and half a glass of water, whereas Mohan was given twenty teaspoonful of salt and half a glass of water. (i) How would they make salt solutions? (ii) Who would be able to prepare saturated solution?

Distinguish between the following: (i) Threshing and Winnowing

Distinguish between the following: (i) Pure substances and Mixture

How will you separate the components of the following? (i) Tea leaves from tea (ii) Pebbles from rice (iii) Butter from milk (iv) Sand and husk (v) Water and kerosene oil (vi) Mud and water.