Question

WHAT IS NUCLEUS?



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Answer 1

Answer:

An object is placed 40.0 cm in front of a convex mirror.

The image appears 15 cm behind the mirror. What is

the focal length of the mirror?

(a) +24 cm (b) +11 cm

(c) -11 cm (d) -24 cm

Explanation:

☘️ Science is the human effort to understand the history of the natural world and the working of the natural world with observable physical evidence. In this article, we will be discussing more science, its subcategories, and most importantly the origin and history of science.

☘️ Science is the intellectual and practical activity comprised of the systematic study of the structure and behavior of every natural and physical object and phenomena through observation and experiment. In simple terms, Science is knowledge of nature. Science can be defined as:

The observation, identification, description, experimental investigation, and theoretical explanation of natural phenomena.

Basic Science can be subdivided into three types :

Natural Sciences – The study of the material world

Social Sciences – The study of people and societies

Formal Sciences – Like Mathematics$\large{ \green{ \bold{ \underline{ \underline{ \overline{ \overline{ \pink{hope \: this \: helps \: you \: \: ✌}}}}}}}}$

Answer 2

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A nucleus is a membrane - bound organelle that contains the cell's chromosomes . Pores in the nuclear membrane allow for the passage of molecules in and out of the nucleus .

A usually round part of most cell's that is enclosed in a double membrane , controls the activities of the cell .

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