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Home/class 11th science/Page 71

Discussion Forum Latest Questions

alok12
alok12
Asked: January 4, 2025In: Class-11-Physics

What are the two principal thrusts in physics? Give suitable example for each.

In physics, there are two principal thrusts known as unification and reductionism. Both approaches are aimed at understanding the complexities of nature but do so in different ways. Unification in physics refers to the idea of bringing together different phenomena under ...

chapter 1. units and measurementsclass 11th physicsclass 11th scienceexercise questionncert solutionshort answer
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alok12
alok12
Asked: January 4, 2025In: Class-11-Physics

What is physics? What is the origin of the word physics? What is its Sanskrit equivalent?

Physics is the branch of science that studies matter, energy, and their interactions. It seeks to understand the fundamental principles governing the universe, from the smallest subatomic particles to the vastness of galaxies. Physics explains natural phenomena through observation, experimentation, ...

chapter 1. units and measurementsclass 11th physicsclass 11th scienceexercise questionncert solutionshort answer
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alok12
alok12
Asked: January 4, 2025In: Class-11-Physics

When does a scientific theory need modification or replacement by a new theory? Briefly explain giving suitable examples.

A scientific theory requires modification or replacement by a new theory when it no longer adequately explains observed phenomena or when new evidence emerges that contradicts its predictions. Scientific theories are based on the best available evidence, but as knowledge ...

chapter 1. units and measurementsclass 11th physicsclass 11th scienceexercise questionncert solutionshort answer
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alok12
alok12
Asked: January 4, 2025In: Class-11-Physics

What is scientific theory?

A scientific theory is a well-substantiated explanation of a natural phenomenon that is based on a large body of evidence collected through observation, experimentation, and analysis. It is not a mere guess or speculation but a comprehensive framework that unifies ...

chapter 1. units and measurementsclass 11th physicsclass 11th scienceexercise questionncert solutionshort answer
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alok12
alok12
Asked: January 4, 2025In: Class-11-Physics

What is scientific method? Mention the various steps involved in it.

The scientific method is a systematic and logical approach used to investigate natural phenomena, acquire new knowledge, or correct and integrate previous understanding. It is a step-by-step process that ensures reliability, objectivity, and accuracy in scientific inquiry.

chapter 1. units and measurementsclass 11th physicsclass 11th scienceexercise questionncert solutionshort answer
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