AP Class 11 Model Paper Physics

FOR AP CLASS 11 EXAM PREPARATION

AP Class 11
Model Paper · Physics
EXAM YEAR TYPE SUBJECT

AP Class 11 — Model Paper Physics

Notes · Sample Papers · Previous Year Papers · Mock Tests

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Appendices 323

BOARD OF INTERMEDIATE EDUCATION: ANDHRA PRADESH
PHYSICS FIRST YEAR

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MODEL QUESTION PAPER-I (Effective from IPE MARCH 2026)
TIME : 3 HOURS]
. c om [MAX. MARKS : 85

e m .
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SECTION-A
I.
s
a carries one mark.
Answer all the
9g
9 × 1 =a
l
g l
a the following statement is true ?
Each question Marks
1. Which of
(1) Both light and sound waves in air are longitudinal
(2) The sound waves in air are longitudinal while the light waves are transverse
(3) Both light and sound waves in air are transverse
(4) Both light and sound waves can travel in vacuum
2. Surface tension arises due to

m
(1) Gravitational force (2) Pressure differences

Which of the following is not a vector quantity ?.
(3) Viscosity
c o
(4) cohesive forces
3.
m
(2)eTorque
(1) Weight
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(3) Momentum (4) Potential energy
4. Define centripetal force.
5. What is the value of universal gravitational constant (G) ?
6. What is equation for elastic potential energy stored in a stretched wire?
7. The area under acceleration-time graph gives…………………………….
8. The number of translational degrees of freedom for a diatomic gas is ……………………
9. The dimensional formula of angular impulse is……………………………………

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SECTION-B

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c. oEach question carries two marks. m 14×2 = 28 Marks
II. Answer all the following questions.

m10. Define plane angle. s e
e
s 11. Displacement travelled by a body is given by S = 2t + 5t m. What l a
g l a agis the acceleration of that
2

a body ?
12. State triangle law of vector addition.
13. What is inertia ? What gives the measure of inertia ?
14. State the conditions under which a force does not work.
15. We cannot open or close the door by applying force at the hinges. Why ?
16. Hydrogen is in abundance around the sun but not around the earth. Explain.

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Appendices 324

17. State modulus of elasticity.
18. What is the angle of contact ?
19. Define emissivity.
20. Define thermal equilibrium. How does it lead to Zeroth law of thermodynamics ?
21. What is the expression between pressure and kinetic energy of a gas molecule ?
22. Can a simple pendulum be used in an artificial satellite ? Why ?
23. What are beats ?

SECTION-C
III. Answer any Eight of the following questions.
Each question carries four marks. 8×4= 32 Marks
24. Explain the terms average velocity and instantaneous velocity. When are they equal ?
25. Define unit vector, null vector and position vector.
26. Mention the methods used to decrease friction.
27. Write the equations of motion for a particle rotating about a fixed axis.
28. Find the centre of mass of three particles at the vertices of an equilateral triangle. The masses of
the particles are 100g, 150g and 200g are taken at origin, on X-axis and in XY plane respectively.
Each side of the equilateral triangle is 0.5m long.
29. What is orbital velocity? Obtain an expression for it.
30. Define strain and explain the types of strain.
31. Explain the surface tension and surface energy.
32. Explain conduction, convection and radiation with examples.
33. Explain triple point of water with the help of pressure-temperature graph.
34. If a gas has f degrees of freedom, find the ratio of CP and CV.
35. Explain the modes of vibrations of an air column in a closed pipe.

SECTION-D
IV. Answer any two of the following questions.
Each question carries eight marks. 2×8 = 16 Marks
36. Define elastic and inelastic collisions. Derive expressions for the final velocities of bodies in one
dimensional elastic collision, when one body collides with other body which is initially at rest.
37. Define two specific heat capacities of a gas and derive the relation between them on the basis of
first law of thermodynamics.
38. (a) Show that the motion of a simple pendulum is simple harmonic and hence derive the
Equation for its time period. What is second's pendulum ?
(b) On an average a human heart is found to beat 75 times in a minute. Calculate its frequency
and time period.





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385

   
  
 (IPE )
] [  : 85
  - A
I.  
  9 × 1 = 9 
1.      
(1)       longitudinal 
(2)         
(3)     
(4)            
2. 
(1)  (2)   
(3)  (4) 
3. 
(1)  (2) 
(3)    (4) 
 
4.  
5.  (G)
6.       
7.         ………………    
8.         ………………
9.      ………………
  - B
II.  
  14×2=28 
10. 
11.    S = 2t + 5t2 m 
12.  

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.
m .co s e m
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386

13.   
14.    

m
co
15.  hinges   

c om m .
16.   

m . s e
e a
17.    

as g l
l a
18. 
19.
ag
  
20.        
21.     
22.    
23. 
  - C
  m
III.
.c o 

s em
  8×4=32 

l a
ag
24.               
25. 
26.    
27.     
 
28.                 
   X XY
 
m
.co
29.    
m
. co m
 
e
30.

em32.
31.  
las
l as  
ag
ag 34. 33.     
fCpCv
35.    

m . c
c. o s e m
s em
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387

  - D
IV.  
 2×8=16 
36.             
    
37.     
 
38. (a)        

(b)     




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