Physics questions covering diodes, refraction, Wheatstone bridge, photoelectric effect, Ampere's law, Ohm's law, electromagnetic waves, semiconductors, nuclear force, Biot-Savart l... Physics questions covering diodes, refraction, Wheatstone bridge, photoelectric effect, Ampere's law, Ohm's law, electromagnetic waves, semiconductors, nuclear force, Biot-Savart law, magnetism, and equipotential surfaces.
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The image presents a list of physics questions, divided into two categories: 'Long questions' and '2 & 3 mark questions'. These questions cover topics such as semiconductors, optics, bridge circuits, photoelectric effect, electromagnetism, and other fundamental concepts in physics. The user is likely seeking assistance with these homework questions.
Answer
A list of physics questions covering diodes, refraction, Wheatstone bridge, photoelectric effect, Ampere's law, Ohm's law, electromagnetic waves, semiconductors, nuclear force, Biot-Savart law, magnetism, and equipotential surfaces is provided.
Here are some physics questions covering the requested topics:
Long questions:
- Define pn junction diode and explain forward biasing characteristics.
- Explain laws of refraction on the basis of wave theory.
- Derive the balance bridge condition of the Wheatstone bridge.
- Define the photoelectric effect and derive the expression for Einstein's photoelectric equation.
- Define Ampere's circuital law and derive the expression for the magnetic field due to a straight conductor using Ampere's circuital law.
2 & 3 mark questions:
- Define Ohm's law.
- Write the properties of electromagnetic waves.
- Distinguish between P-type and N-type semiconductors.
- Write properties of nuclear force.
- Define and explain Biot-Savart's law.
- Distinguish between diamagnetic and paramagnetic substances.
- Write the properties of an equipotential surface.
Answer for screen readers
Here are some physics questions covering the requested topics:
Long questions:
- Define pn junction diode and explain forward biasing characteristics.
- Explain laws of refraction on the basis of wave theory.
- Derive the balance bridge condition of the Wheatstone bridge.
- Define the photoelectric effect and derive the expression for Einstein's photoelectric equation.
- Define Ampere's circuital law and derive the expression for the magnetic field due to a straight conductor using Ampere's circuital law.
2 & 3 mark questions:
- Define Ohm's law.
- Write the properties of electromagnetic waves.
- Distinguish between P-type and N-type semiconductors.
- Write properties of nuclear force.
- Define and explain Biot-Savart's law.
- Distinguish between diamagnetic and paramagnetic substances.
- Write the properties of an equipotential surface.
More Information
These questions are designed to test understanding of key concepts in physics, ranging from semiconductor physics to electromagnetism and nuclear physics.
Tips
When answering these questions, pay close attention to definitions, derivations, and distinctions between related concepts. Practice applying the laws and principles to specific scenarios.
Sources
- CBSE Class 12 Physics Syllabus for 2025 Board Exams - schoolexamupdates.com
- 12th class physics: electrostatics - Quizgecko - quizgecko.com
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