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IIT-JAM Physics Question Paper -2024
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Q1. The total number of Na and Cl ions per unit cell of the NaCl crystal is: (A) 2 (B) 4 (C) 8 (D) 16 Ans: (C) Q2. The sum of three binary numbers, 10110.10, 11010.01, and 10101.11, in decimal system is: (A) 70.75 (B) 70.25 (C) 70.50 (D) 69.50

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  • November 4, 2024
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  • 2024/2025
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IIT-JAM Physics Question Paper-2024
Physics by fiziks
Learn Physics in Right Way




IIT-JAM Physics
Question Paper -2024




Be Part of Disciplined Learning
H.No. 40-D, G.F., Jia Sarai, Near IIT, Hauz Khas, New Delhi-16 1
Phone: 011-26865455/+91-9871145498, Website: www.physicsbyfiziks.com, Email: fiziks.physics@gmail.com

, IIT-JAM Physics Question Paper-2024
Physics by fiziks
Learn Physics in Right Way
Section A: Q.1 – Q.10 Carry ONE mark each.
Q1. The total number of Na and Cl ions per unit cell of the NaCl crystal is:
(A) 2 (B) 4
(C) 8 (D) 16
Ans: (C)
Q2. The sum of three binary numbers, 10110.10, 11010.01, and 10101.11, in decimal system
is:
(A) 70.75 (B) 70.25
(C) 70.50 (D) 69.50
Ans: (C)
Q3. Which of the following matrices is Hermitian as well as unitary?
 0 i  0 i 
(A)   (B)  
i 0   i 0
 1 i   0 1 i 
(C)   (D)  
i 1  1  i 0 
Ans: (A)
r̂
Q4. The divergence of a 3-dimensional vector ( r̂ is the unit radial vector) is:
r3
1
(A)  (B) Zero
r4
1 3
(C) (D) 
r3 r4
Ans: (A)
Q5. The magnitudes of spin magnetic moments of electron, proton and neutron are  e ,  p

and  n , respectively. Then,

(A) e   p  n (B) e   p  n

(C) e   p  n (D) e   p  n

Ans: (A)




2 H.No. 40-D, G.F., Jia Sarai, Near IIT, Hauz Khas, New Delhi-16
Phone: 011-26865455/+91-9871145498, Website: www.physicsbyfiziks.com, Email: fiziks.physics@gmail.com

, IIT-JAM Physics Question Paper-2024
Physics by fiziks
Learn Physics in Right Way
Q6. A particle moving along the x -axis approaches x  0 from x   with a total energy
E . It is subjected to a potential V  x  . For time t   , the probability density P  x  of

the particle is schematically shown in the figure.

P  x




x
0

The correct option for the potential V  x  is:

V  x V  x
 A  B

V0 V0
E E



x x
0 a 0

 C V  x  D V  x
E E
V0
V0




0 x a x
0

Ans: (C)
Q7. A plane electromagnetic wave is incident on an D
interface AB separating two media (refractive
indices n1  1.5 and n2  2.0 ) at Brewster angle B
 B , as schematically shown in the figure. The angle n1  1.5
A B
 (in degrees) between the reflected wave and the n2  2.0 O 
refracted wave is:
(A) 120 (B) 116
(C) 90 (D) 74 C
Ans: (C)



H.No. 40-D, G.F., Jia Sarai, Near IIT, Hauz Khas, New Delhi-16 3
Phone: 011-26865455/+91-9871145498, Website: www.physicsbyfiziks.com, Email: fiziks.physics@gmail.com

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