Class 11 Physics target paper 2025

                  Learn with Irza
                Class XI (Physics)
               Target paper (2025) 


                             Section "C"  

Note: Attempt any Two Questions from this section. Each Question carries equal marks.


➤ What are Newton's rings? Explain the process of their formation? Derive the expressions for the radius of nth bright and dark rings?

                                OR 

Describe Young's double slit experiment. Derive the formula for fringe spacing?

 ➤ What is Doppler Effect? Derive mathematical expression for apparent frequency heard by listener when:

 Listener moves towards stationery force  Listener moves away from stationery force  Source move towards stationary listener 

 Source moves away from the stationery listener 

➤ What is projectile? Give assumption. Derive the following expression for:

• Maximum height of projectile 

• Range of projectile

• Time taken by projectile to reach the

maximum height 

                                OR

Derivations of equations of motion by graphical method? 

Define elastic collision and inelastic collision. explain elastic collision in One dimension?

                                OR

 Define orbital velocity? Derive expression for the orbital speed and time period of satellite?

 State and prove law of conservation of energy?

> Define parallel plate capacitor? Drive expression for the capacitance of parallel plate capacitor when: 

Free space between the plates

 A dielectric medium between the plates.

                                 OR

Describe charging and discharging of capacitor with relevant expression?

 ➤ Define simple harmonic motion? Prove that motion of projection of particle execute simple harmonic motion? 

➤ Describe addition of vectors by rectangular component method also derive formula for magnitude of resultant vector and its direction?



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