Half yearly exam 2023-24 model question paper class 12 physics

 Half yearly exam 2023-24 

Model question 

Paper class 12 physics 

MP Board's half-yearly examinations of class 12th are starting from 6th December.

The time table for these examinations has been released. But it has not been made clear what type of question paper will be. To help the students studying the subject of Physics of class 12th, this model paper has been made available for all of you on this website as per the syllabus and important questions of the Physics subject for the half yearly examination.

                                                                                                                      

Half yearly exam: question paper format for class 12 physics

Objective questions of 28 marks will be asked in Class 12 Physics.

Mainly 5 types of objective questions will be asked. Till last year 4 types of questions were asked

1.Choose the correct option 06 marks

2. Write the answer in one word/sentence 05 marks

3. Fill in the blanks 06 marks

4.  Match correct pairs 06 points

5. Write True/False 05 marks

In this, 7 questions of 2 marks, 4 questions of 3 marks and 4 questions of 4 marks will also be asked.

  Till last year, there were 2 questions of 5 marks each, which will not come from this year.

half yearly exam 2023-24 model question paper physics

                       

                    Subject: PHYSICS

                            Class: 12th

Time-3.00 hours Integer-70

Instructions:-1. It is mandatory to solve all the questions.

 2.Question no. Internal options are given from 06 to 20.

 3. Question no. 01 to 05 are objective questions. Separate marks are prescribed for each question.

4. Marks for each question are marked against it.

5. Question no. Answer each question from 06 to 12 in 30-40 words. 2 marks.

6.Question no. Answer each question from 13 to 16 in about 75-80 words. Give 3 marks.

7.Question no. Answer questions 17 to 20 in about 80-100 words. 4 marks

Question 1. Write the correct option – 1×6 =6

i. Which of the following is not an electromagnetic wave –

  (A) Gamma rays (B) x-rays (C) Sound waves (D) Radio waves

II. Light emerges from a light source in the following form -

(a) Electron (b) Proton (c) Photon (d) Alpha particle

III. Earth's potential is considered to be -

   A. Zero B. Positive C. Negative D. All three of the above

iv. The conductivity of a superconducting material is –

(a) Zero (b) Infinite (c) One (d) Less than one

v. If a wire is stretched and its length is doubled, its resistance will become -

(a) Half (b) Double (c) One fourth (d) Four times

vi. The minimum angular momentum of the electron in the hydrogen atom is -

(A) h/π (B) h/2π (C) hπ (D) 2hπ

Question 2. Fill in the blanks – 1×6 = 6

i The unit of power of a lens is ---------.

ii. S.I. The unit of self-induction in the system is…………

iii. The line gives important information regarding alphabetical order---------------------.

iv Geometry The encroachment of light into shadow is called -------------------------.

v. Kirchhoff's first law is based on the principle of -------.

vi. Joule = Coulomb 

Question 3. Match the correct pair 1×6 = 6

“A”	“B”
electric field E	Mesosphere
OM's rules	maximum speed in glass
Wheatstone bridge	V = w/qo
potential	-F/q
red lights	complex electrical circuit
ultraviolet rays	Relationship between potential difference and current

Question.4. Write the answer in one sentence. 1×5 =5

i. What is the angular width of the fringe in the event of double slit interference?

ii. What is the meaning of waterless stream? ,

iii. What is the unit of electron-volt?

iv. What is the SI unit of potential gradient?

v. Write the formula of spherical mirror?

Question.5. Write true/false 1×5 =5

i. When a spherical mirror is kept in water, its focal length remains unchanged?

ii. Photo cell helps in counting the people entering a class?

iii. Refractive index has no unit

iv. SI unit of magnetic flux is bever?

v. No substance can be charged by conduction?

Question.6. Write two shortcomings of Bohr model? (2)

                                Or

         What is photo cell?

Question 7. The emf of a rechargeable battery is 12 volts if the internal resistance of the battery is 0.4 ohms.  What will be the value of maximum current taken from the battery? (2)

                                 Or

     Write Einstein's photoelectric equation?

Question 8. Write an example of what is interference? (2)

                        Or

What is called equal potential surface?

Question 9. Which factors affect the capacitance of a conductor?

                                   Or

      What is called total internal reflection? Write the necessary conditions for it? (2)

Question 10. Write any two differences between ammeter and volt meter? (2)

                                    Or

     Why is de Broglie's wave theory not visible in daily life?                      

Question 11. Why does the potential remain constant inside a hollow spherical conductor? (2)

                           Or

   When is Wheatstone bridge called balanced?

Question.12. What is called mutual induction? (2)

                   Or

  Write Fleming's right hand rule.

Question.13. Write the difference between primary and secondary rainbow (3)

                            Or

       Find the formula for capacitance of a spherical conductor.

Question 14. Write Gauss's law related to electric flux? (3)

                                      Or

   Write any three differences between resistance and resistivity?

Question 15. Who should establish the relationship between the internal resistance, terminal voltage and electric current of the cell? 3

                                      Or

    Calculate the force acting on a proton in an electric field of 3 X 10 3 newtons per coulomb.

Question 16. Write and explain Coulomb's law under static electricity 3

                                      Or

Establish a relation between flow velocity (trailing velocity) and current density.

Question 17. Find the expression for the magnifying power of a simple microscope when the final image - (4)

                        i. Made at infinity ii. stand at minimum distance of clear vision

                                                         Or

       Define the electromotive force of a cell, write its unit and dimensional formula.

Question 18. What will be the effect on the interference pattern in Young's double slit experiment if - (4)

A. If the distance between the two slits is increased

B. move the source towards the slits

 C. move the curtain away from the slits

 D. The width of both slits should be increased

                    Or

    A circular coil of wire has 100 turns, each of radius 8 cm and an electric current of 0.40 A is flowing in it. Calculate the magnitude of the electromagnetic field at the center of the coil.

Question 19. How should three capacitors of capacitance 3 μf each be combined so that the resulting capacitance is-

i. 9 μf ii becomes 4.5 μf? Explain with picture? 4

                       Or

What will happen if a magnet is divided into two parts?

i. Transverse (perpendicular) to its length ii. Along its length. write the reason also

Question 20. Explain the following points about transformer - 4

      i. Named images ii. Principle iii. Formula of transformation ratio iv. Causes of energy loss and ways  to reduce it remedy

                              Or

    Write and explain Coulomb's law under static electricity