क्लासिकल और क्वांटम यांत्रिकी

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Questions and Answers

विद्युत चुम्बकीय बल किसके बीच क्रिया करता है?

केवल चुम्बकीय क्षेत्रों के बीच

केवल विद्युत आवेशों के बीच

विद्युत आवेशों और चुम्बकीय क्षेत्रों के बीच (correct)

केवल गतिमान आवेशों के बीच

कौन सा सिद्धांत यह बताता है कि समय और स्थान एक साथ मिलकर अंतरिक्ष-समय बनाते हैं?

थर्मोडायनामिक्स

विशेष सापेक्षता (correct)

विद्युत चुम्बकीयता

सामान्य सापेक्षता

कुलंब के नियम का इस्तेमाल किसको समझने के लिए किया जाता है?

विद्युत आवेशों के बीच बल (correct)

प्रकाश की गति

चुंबकीय बल

गुरुत्वाकर्षण बल

कौन सी घटना सापेक्षता के सिद्धांत द्वारा समझाई जाती है?

समय का फैलाव (टाइम डाइलेशन) (D) Signup and view all the answers

किसका अध्ययन करने के लिए थर्मोडायनामिक्स महत्वपूर्ण है?

ऊर्जा और ऊष्मा के अंतरण (B) Signup and view all the answers

क्लासिकल यांत्रिकी किसके बारे में बताती है?

मैक्रोस्कोपिक वस्तुओं के गति (C) Signup and view all the answers

न्यूटन के गति के दूसरे नियम के अनुसार, किसी वस्तु का त्वरण किस पर निर्भर करता है?

वस्तु पर लगने वाले कुल बल (B) Signup and view all the answers

क्वांटम यांत्रिकी में, ऊर्जा किस प्रकार मौजूद होती है?

केवल असतत मानों में (B) Signup and view all the answers

थर्मोडायनामिक्स का दूसरा नियम क्या बताता है?

किसी अछूते तंत्र की कुल एन्ट्रापी समय के साथ बढ़ सकती है (C) Signup and view all the answers

निम्न में से कौन सा क्वांटम यांत्रिकी का एक प्रमुख सिद्धांत है?

अनिश्चितता सिद्धांत (B) Signup and view all the answers

Study Notes

Classical Mechanics

Classical mechanics describes the motion of macroscopic objects, such as planets, cars, and people.
It's based on Newton's laws of motion and the law of universal gravitation.
Key concepts include force, mass, acceleration, momentum, energy, work, and power.
Newton's first law states that an object at rest stays at rest and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an unbalanced force.
Newton's second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass (F=ma).
Newton's third law states that for every action, there is an equal and opposite reaction.
Classical mechanics is extremely successful in describing many everyday phenomena.

Quantum Mechanics

Quantum mechanics describes the behavior of matter and energy at the atomic and subatomic level.
It's a probabilistic theory, meaning that it predicts the likelihood of an event rather than its precise outcome.
Key concepts include wave-particle duality, quantization of energy, uncertainty principle, and superposition.
Matter exhibits wave-like properties, and waves exhibit particle-like properties, illustrating this duality.
Energy is quantized, meaning it can only exist in discrete values, not continuous ones.
The Heisenberg uncertainty principle states that there is a fundamental limit to the precision with which certain pairs of physical properties of a particle, like position and momentum, can be known simultaneously.
Superposition allows a quantum system to exist in multiple states simultaneously until measured.
Quantum mechanics has revolutionized our understanding of the atom, atomic interactions, and much of modern technology.

Thermodynamics

Thermodynamics studies the relationships between heat, work, and energy.
It deals with macroscopic properties of systems and doesn't concern itself with the microscopic behavior of individual particles.
Key concepts include heat, internal energy, temperature, entropy, and the laws of thermodynamics.
The first law of thermodynamics states that energy cannot be created or destroyed, only transformed from one form to another.
The second law of thermodynamics states that the total entropy of an isolated system can only increase over time.
The third law of thermodynamics states that it is impossible to reach absolute zero temperature.
Thermodynamics is crucial for understanding engines, refrigerators, and many other systems involving heat and energy transfer.

Electromagnetism

Electromagnetism describes the interaction between electrically charged particles.
Key concepts include electric charge, electric field, magnetic field, electromagnetic waves, and electromagnetic force.
Electric charges exert forces on one another according to Coulomb's law, which describes the electrostatic force between point particles.
Moving charges create magnetic fields.
Changing magnetic fields create electric fields, demonstrating that electric and magnetic fields are intimately linked.
Electromagnetic waves, such as light, are disturbances of the electric and magnetic fields that propagate through space.
Electromagnetism is fundamental to many technologies, including radio, television, and medical imaging.

Relativity

Relativity encompasses two major theories: special and general relativity.
Special relativity deals with the relationship between space and time for objects moving at constant velocities relative to each other.
Key concepts from special relativity include time dilation, length contraction, and the concept of spacetime.
General relativity describes gravity as a curvature of spacetime caused by mass and energy.
Key concepts from general relativity include the curvature of spacetime, black holes, and gravitational waves.
Einstein's theory of relativity has profoundly altered our understanding of gravity and the universe.

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इस क्विज़ में क्लासिकल और क्वांटम यांत्रिकी के सिद्धांतों का परीक्षण किया जाएगा। क्लासिकल यांत्रिकी में न्यूटन के गति के नियम और उनकी उपयोगिता शामिल हैं, जबकि क्वांटम यांत्रिकी परमाणु और उप-पारमाणु स्तर पर पदार्थ और ऊर्जा के व्यवहार को समझाती है। इन्हें सीखें और अपने ज्ञान का मूल्यांकन करें।