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Questions and Answers
What is the total duration of the examination?
What is the total duration of the examination?
- 4 hours
- 3 hours 15 minutes (correct)
- 2 hours 45 minutes
- 3 hours 30 minutes
How many marks does Part-A of the examination carry?
How many marks does Part-A of the examination carry?
- 70 marks
- 25 marks (correct)
- 50 marks
- 15 marks
What type of questions are included in Part-B of the examination?
What type of questions are included in Part-B of the examination?
- True or False
- Subjective type questions (correct)
- Practical oriented questions
- MCQ and Fill in the blanks
Which section of Part-B includes questions that must be answered in a maximum of one sentence?
Which section of Part-B includes questions that must be answered in a maximum of one sentence?
How many questions must a candidate answer from Section-B?
How many questions must a candidate answer from Section-B?
What is the total number of questions in Part-B?
What is the total number of questions in Part-B?
What is the scoring structure for incorrect answers?
What is the scoring structure for incorrect answers?
What is the maximum word limit for answers in Section-C?
What is the maximum word limit for answers in Section-C?
What is the total number of marks for Part-B?
What is the total number of marks for Part-B?
In how many sections is Part-B divided?
In how many sections is Part-B divided?
What is the ratio of specific resistances of two copper wires of lengths l and 2l with radii r and 2r respectively?
What is the ratio of specific resistances of two copper wires of lengths l and 2l with radii r and 2r respectively?
What is the force of attraction between two long parallel wires carrying currents of 1 A and placed 1 m apart?
What is the force of attraction between two long parallel wires carrying currents of 1 A and placed 1 m apart?
What is the relationship between magnetic field, dipole moment, and torque?
What is the relationship between magnetic field, dipole moment, and torque?
Inside a bar magnet, the magnetic lines of force
Inside a bar magnet, the magnetic lines of force
The direction of induced current is determined by
The direction of induced current is determined by
Wb/m2 is the unit of
Wb/m2 is the unit of
In an LCR circuit, energy dissipation occurs in
In an LCR circuit, energy dissipation occurs in
If the peak value of alternating current is I0, what is its root mean square value?
If the peak value of alternating current is I0, what is its root mean square value?
Which form of radiation is used for photography in fog?
Which form of radiation is used for photography in fog?
What is the requirement for candidates when answering questions in the examination?
What is the requirement for candidates when answering questions in the examination?
The energy in an electromagnetic wave is
The energy in an electromagnetic wave is
What should candidates do with their Answer Booklet before leaving the examination hall?
What should candidates do with their Answer Booklet before leaving the examination hall?
What can candidates do with the Question Booklet after the examination is complete?
What can candidates do with the Question Booklet after the examination is complete?
Which of the following describes the maximum word limit for answering each question?
Which of the following describes the maximum word limit for answering each question?
What is the scoring system for the multiple-choice questions?
What is the scoring system for the multiple-choice questions?
What should candidates do if they need to illustrate their answers?
What should candidates do if they need to illustrate their answers?
What is the purpose of candidates answering in their own words?
What is the purpose of candidates answering in their own words?
Which of the following is NOT a requirement for answering questions?
Which of the following is NOT a requirement for answering questions?
How many multiple choice questions are to be answered?
How many multiple choice questions are to be answered?
What happens if a candidate fails to return their Answer Booklet?
What happens if a candidate fails to return their Answer Booklet?
Which type of mirror forms a virtual image larger than the object?
Which type of mirror forms a virtual image larger than the object?
What happens to the value of the refractive index with an increase in wavelength?
What happens to the value of the refractive index with an increase in wavelength?
Who proposed the concept of secondary wavelets?
Who proposed the concept of secondary wavelets?
What shape do the interference fringes take in Young's double slit experiment?
What shape do the interference fringes take in Young's double slit experiment?
What is the formula for the energy of a photon?
What is the formula for the energy of a photon?
What does the coefficient of mutual induction depend on in two long coaxial solenoids?
What does the coefficient of mutual induction depend on in two long coaxial solenoids?
What is the ratio of de Broglie wavelength associated with two electrons accelerated through 25 V and 36 V?
What is the ratio of de Broglie wavelength associated with two electrons accelerated through 25 V and 36 V?
Which component does NOT contribute to the impedance in an L-C-R series circuit?
Which component does NOT contribute to the impedance in an L-C-R series circuit?
What causes the scattering of alpha particles in Rutherford's experiment?
What causes the scattering of alpha particles in Rutherford's experiment?
What is the formula for the energy of an orbital electron in a hydrogen atom according to Bohr's principle?
What is the formula for the energy of an orbital electron in a hydrogen atom according to Bohr's principle?
What happens to the atomic mass of a radioactive atom that emits a β-particle?
What happens to the atomic mass of a radioactive atom that emits a β-particle?
In the half-wave rectifier circuit with a p-n junction diode, what is the outcome of a negative input voltage?
In the half-wave rectifier circuit with a p-n junction diode, what is the outcome of a negative input voltage?
What type of impurity is found in a p-type semiconductor?
What type of impurity is found in a p-type semiconductor?
Which of the following correctly distinguishes conductors from insulators based on energy band diagrams?
Which of the following correctly distinguishes conductors from insulators based on energy band diagrams?
For which material is the width of the forbidden band maximum?
For which material is the width of the forbidden band maximum?
What does Gauss's law in electrostatics state regarding electric field lines?
What does Gauss's law in electrostatics state regarding electric field lines?
Which condition describes the balance in a Wheatstone bridge according to Kirchhoff's rules?
Which condition describes the balance in a Wheatstone bridge according to Kirchhoff's rules?
What is a key feature of a moving coil galvanometer that helps improve its sensitivity?
What is a key feature of a moving coil galvanometer that helps improve its sensitivity?
When forming the final image of a compound microscope at the least distance of distinct vision, what is the distance typically considered?
When forming the final image of a compound microscope at the least distance of distinct vision, what is the distance typically considered?
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Study Notes
Jharkhand Academic Council Intermediate Examination
- The 2024 annual Intermediate Examination for Physics is scheduled to be 3 hours and 15 minutes long.
- Students must answer in the Answer Booklet, which will be provided separately.
- The examination is divided into two parts:
- Part A: Multiple Choice Questions (MCQs) - 25 marks
- Part B: Subjective Questions - 45 marks
- Part A has 25 MCQs, each worth 1 mark. There are four options (A, B, C, and D).
- Part B is further divided into three sections:
- Section A: Very Short Answer Type Questions (7 questions - 1 mark each, maximum one sentence answers)
- Section B: Short Answer Type Questions (6 questions - 3 marks each, maximum 150 words answers)
- Section C: Long Answer Type Questions (4 questions - 5 marks each, maximum 250 words answers)
- Students are advised to answer using their own words whenever possible, draw clear diagrams where needed, and return the Answer Booklet to the Invigilator before leaving the examination hall.
- Students may take the Question Booklet with them after the examination.
Multiple Choice Questions
- Question 1: If two charged spheres separated by a distance d exert a force F on each other, doubling both charges and their separation distance will result in a force of 4F.
- Question 2: The smallest observed charge is 1.6 x 10-19 C.
- Question 3: The dielectric constant for a metal is infinite.
- Question 4: The capacitance of a parallel plate capacitor depends on the area of the plate.
- Question 5: Interchanging the battery and galvanometer in a Wheatstone bridge does not affect the galvanometer's deflection.
- Question 6: The ratio of specific resistances for two copper wires of lengths l and 2l with radii r and 2r respectively is 1:1.
- Question 7: Two long parallel wires carrying a current of 1 A each in the same direction, separated by 1 meter, experience an attractive force of 2 x 10-7 N/m.
- Question 8: The relation between magnetic field (B → ), dipole moment (m → ), and torque (τ) is τ = m → x B → .
- Question 9: Magnetic lines of force inside a bar magnet go from the South pole to the North pole.
- Question 10: Lenz's law and Fleming's right-hand rule determine the direction of induced current.
- Question 11: Wb/m2 is the unit for magnetic field.
- Question 12: Energy dissipation in an LCR circuit occurs primarily in the resistor (R).
- Question 13: The root mean square value of an alternating current (AC) with a peak value of I0 is I0/√2.
- Question 14: Infrared rays are used for photography in fog.
- Question 15: The energy in an electromagnetic wave is equally divided between the electric and magnetic fields.
- Question 16: A virtual image larger than the object is formed by a concave mirror.
- Question 17: The refractive index decreases with an increase in wavelength.
- Question 18: Christiaan Huygens proposed the concept of secondary wavelets.
- Question 19: The interference fringes formed in Young's double-slit experiment are hyperbolic.
- Question 20: The energy of a photon is hν.
- Question 21: The ratio of de Broglie wavelengths for two electrons accelerated through 25 V and 36 V is 6/5.
- Question 22: Coulomb force causes the scattering of alpha particles in Rutherford's experiment.
- Question 23: When a radioactive atom emits a β-particle, its atomic mass remains unchanged.
- Question 24: p-type semiconductors contain impurities with a valency of three.
- Question 25: Non-conductors have the maximum width of the forbidden band.
Subjective Questions
Section A
- The questions in Section A are very short answer questions.
- Each question is worth 1 mark and should be answered in one sentence.
- Students must answer any seven questions from this section.
Section B
- Section B consists of short answer questions.
- Each question is worth 3 marks, and students must write a maximum of 150 words for each answer.
- Students must answer any six questions from this section.
Section C
- Section C consists of long answer questions.
- Each question is worth 5 marks, and students must write a maximum of 250 words for each answer.
- Students must answer any four questions from this section.
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