Intermediate Physics Examination 2025

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Questions and Answers

What is the total duration of the Intermediate Examination in hours and minutes?

4 hours

2 hours 50 minutes

3 hours

3 hours 15 minutes (correct)

How many total questions comprise the Intermediate Examination?

96 (correct)

What must candidates enter in the OMR Answer Sheet?

Personal identification number

Full name and address

Question Booklet Serial No. (correct)

Estimated score

What type of response is expected from candidates according to the instructions?

Answers in their own words Signup and view all the answers

How is the total mark distribution noted in the examination?

70 marks for theory, 20 for practical, 6 for assignments Signup and view all the answers

What is the first question on the examination paper about?

Angular dispersion and dispersive power Signup and view all the answers

Which statement is true regarding the density of a nucleus compared to an atom?

Density of a nucleus is more than that of an atom Signup and view all the answers

What is one of the topics candidates are expected to explain in the examination?

Photoelectric cell Signup and view all the answers

What is the binary representation of the decimal number 25?

11001 Signup and view all the answers

Which of the following correctly describes Gauss's theorem?

It states that the total electric flux through a closed surface is proportional to the charge enclosed. Signup and view all the answers

What is the Biot-Savart law used for?

Describing the magnetic field from a straight current-carrying wire. Signup and view all the answers

What does the principle of a transformer rely on?

The principle of electromagnetic induction. Signup and view all the answers

What is the magnifying power of a compound microscope determined by?

The focal lengths of the objective and eyepiece lenses. Signup and view all the answers

What determines the fringe width in the Young's double-slit experiment?

The wavelength of the light used. Signup and view all the answers

Which statement best defines a semiconductor?

Material that has conductivity between conductors and insulators. Signup and view all the answers

What distinguishes P-type and N-type semiconductors?

P-type has holes, while N-type has excess electrons. Signup and view all the answers

Study Notes

Intermediate Examination 2025 - Physics (Elective)

Subject: Physics (Elective)
Class: I.Sc. (Theory)
Total Questions: 96 (70 + 20 + 6)
Time: 3 hours 15 minutes
Full Marks: 70
Subject Code: 117

Instructions

Candidates must enter their question booklet serial number (10 digits) in the OMR answer sheet.
Candidates must answer in their own words.
Figures in the right-hand margin indicate full marks.
Candidates are allotted 15 minutes extra time to read questions carefully.
The question booklet is divided into two sections: Section A and Section B.

Section A - Objective Type Questions

Total Questions: 70
Questions to Answer: 35 out of 70
Marks per question: 1
Instructions: Select the correct option and darken the circle on the OMR sheet using a blue/black ballpoint pen. Do not use white-out or other correction fluids on the OMR sheet; otherwise, the result will be invalid.

Section B - Short & Long Answer Type Questions

Short Answer Type Questions: 20 questions, each carrying 2 marks. Answer any 10.
Long Answer Type Questions: 6 questions, each carrying 5 marks. Answer any 3.

Important Formulae/Concepts (Specific examples)

Electric Force (Coulomb's Law) (Example to illustrate) - F12/F13 calculation given equal charges on a square are provided.
Charge on Metallic Sphere (Example to illustrate)
Example questions calculate charge when electrons are removed from neutral sphere.
Potential Difference (Example to illustrate)
Example questions calculate potential difference given and relate kinetic energy
Capacitor Energy (Example to illustrate)
Problems and solutions about finding capacitor energy
Magnetic Field and Torque (Example to illustrate)
Problems and solutions to determine value of torque and relating to magnetic field
Electric current (Example to illustrate)
Example to demonstrate the number of electrons flowing per second given current
Electric Resistance (Example to illustrate)
Problems to determine resistance of circuit
L-R circuits (Example to illustrate)
Finding impedance calculations of circuits with L-R components
Electromagnetic Waves (Example to illustrate)
Relationship between direction of E-field, B-field and propogation.
Relevant concepts of frequencies and types of waves.
Wave Nature of Light (Example to illustrate)
Determining wavelengths or frequencies in different mediums.
Semiconductors (Example to illustrate)
Properties of P-type and N-type semiconductors and their applications.
Atomic structure (Example to illustrate)
Calculating energy and kinetic energy ratios when relating to a hydrogen atom.
Heat in electrical circuits (Example to illustrate) -Calculating heat in circuits given current and resistance in given context.

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Description

Prepare for your I.Sc. Physics (Elective) final examination with this comprehensive quiz that covers a variety of topics. It includes a mix of objective type and short answer questions, ensuring a well-rounded assessment of your understanding. Test your knowledge and boost your confidence before the exam day.