A cylindrical glass with diameter 15 cm has water to a height of 18 cm. A metal cube of 12 cm edge is immersed in it completely . Calculate the height by which water will rise in the cylinder....!​

Answers 2

Answer:

Ans is 1.8cm

Explanation:

I think my answer is correct and also helpful.....

answer img

Water rises by a height of 9.77 cm

Given:

Diameter of the cylinder = 15 cm

Height of water = 18 cm

Edge length of cube = 12 cm

Find:

The height by which water will rise in the cylinder

Solution:

  • The radius of the cylinder = 15/2= 7.5 cm
  • The volume of the cube = 12³ = 1728 cm³
  • If water rises by 'h' cm
  • The volume of water displaced = Volume of the cube
  • πr²h = 1728 cm³
  • (22/7)×(7.5²)×h = 1728 cm³
  • 22× 56.25 × h = 1728× 7
  • 1237.5 × h        =  12096
  • ∴ h =  9.77 cm
  • Hence the water rises by 9.77 cm

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who coined the term mitosis and meiosis ?​

The term Mitosis and Meiosis are coined respectively by Fleming and Farmer and Moore. Mitosis was first observed by Strasburger (1875) and in animal cell by W. fleming (1879) while term mitosis was given by Fleming (1882).

Solution:

The terms mitosis and Meiosis are coined by Fleming and Farmar and Moore respectively.

Explanation:

  • The term Mitosis and Meiosis are coined respectively by Fleming and Farmer and Moore.
  • Mitosis and meiosis are special types of cell division.
  • Mitosis results in two identical daughter cells while in meiosis four sex cells are formed.
  • In mitosis chromosome number of the daughter, cell remains the same as the parent cell whereas in meiosis daughter cells have half the number of chromosomes as the parent cell.
Q.1-2 Choose the word with different sound of underlined letters. 1. (a) Wall (b) Sale (c) Call (d) Hall 2. (a) Beast (b) Least (c) Reach (d) Ready fast give answer I will mark brainlist ​

1. (b) sale

2. (d) ready

brainly , I am sure that u will remove my answer bt I have taken screeshot I will complain it ...

The words that are sound differently than others are 1) Sale (option b) and 2) Ready (option d)

  • For picking the correct option in case of sounding words, we need to read each given word carefully and pay special attention to the sound of the underlined letters.
  • Recognizing different sounds requires constant practice.
  • Here, in the first series, within wall, sale, call and hall, the word sale is sort of offbeat from other words while pronouncing.
  • Call, hall, and wall are similar and in this case, it is a little bit rhyming.
  • So Sale is the correct answer in the first case.
  • In the second series, within the beast, least, reach, and ready, the word ready is more offbeat than others.
  • Though reach also seems to be a bit different than others while pronouncing, ready sounds out of the league.
  • So, in all, ready will be the best pick in the second case.

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What did Ebright achieve at the International fair?​

Answer:

Explanation:

What did Ebright achieve at the International fair?​

The crowning achievement of Ebright's brilliant scientific career was his work on the chemical structure of a hormone. He proved that a cell can read the blueprint of its DNA and thus DNA controls heredity and is the blueprint for life.

PLS MARK ME AS A BRAINLIST PLS
evergreen chemistry class 10 chemical bonding notes upload please​

Answer:

https://swiflearn.com › icse › science

ICSE Class 10 Chemistry Chapter 2 Chemical Bonding Revision Notes

FREE ICSE Class 10 Chemistry Chapter 2 Chemical Bonding Revision Notes 2020-21. Download the best Revision Notes for ICSE Class

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