JEE Mains 28 December Daily Practice Questions for 2025 Session 1 with Solution

JEE Mains 28 December Daily Practice Questions for 2025 Session 1 with Solution: Candidates planning to appear for JEE Main 2025 session 1 from January 22 to 31, 2025 can learn how to manage time during the exam by practicing regularly. The JEE Mains 28 December Daily Practice Questions for 2025 Session 1 with Solution are available here for the candidate's reference. By going through the provided questions, candidates can learn more about the exam pattern and the kind of questions they can expect to receive during the exam. Candidates can go through the JEE Mains 28 December Daily Practice Questions for 2025 Session 1 with the Solution given here.

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JEE Mains 28 December Daily Practice Questions for 2025 Session 1 with Solution

Candidates can go through the JEE Mains 28 December Daily Practice Questions for 2025 Session 1 with the Solution available here for the candidate's reference.

JEE Mains 28 December Daily Physics Practice Questions for 2025 Session 1 with Solution

Q1. With 5% accuracy, a torque meter is calibrated to reference standards for mass, length, and time. Following calibration, this torque meter's measured torque will have a net accuracy of

1. 15%
2. 25%
3. 75%
4. 5%

Answer (B)

Q2. On a conveyor belt traveling at two meters per second, a bag is softly dropped. The bag and conveyor belt have a coefficient of friction of 0.4. The bag first slides along the belt before friction causes it to stop. The bag on the belt travels the following distance when it slips: [Take g = 10 m/s2]

1. 2 m
2. 0.5 m
3. 3.2 m
4. 0.8 ms

Answer (B)

Q3. Two satellites, A and B, with masses in the 4:3 ratio, circle the earth on circular paths with radii of 3r and 4r, respectively. The proportion between A and B's total mechanical energy is

1. 9:16
2. 16:9
3. 1:1
4. 4:3

Answer (B) 

Q4. Read the following statements:

1. When the small temperature difference between a liquid and its surroundings is doubled, the rate of loss of heat of the liquid becomes twice.
2. Two bodies P and Q having equal surface areas are maintained at temperatures 10°C and 20°C. The thermal radiation emitted in a given time by P and Q is in the ratio 1: 1.15.
3. A Carnot Engine working between 100 K and 400 K has an efficiency of 75%.
4. When the small temperature difference between a liquid and its surroundings is quadrupled, the rate of loss of heat of the liquid becomes twice.

Choose the correct answer from the options given below

1. A, B, C only
2. A, B only
3. A, C only
4. B, C, D only

Answer (A)

Q5. Water is contained in two cylindrical cylinders that are 100 cm and 150 cm high, respectively, and have an identical cross-sectional area of 16 cm2. To make the water levels in the vessels equal, they are connected. The force of gravity's work during the procedure is [G = 10 ms-2 and water density = 103 kg/m3].

1. 0.25 J
2. 1 J
3. 8 J
4. 12 J

Answer (B)

JEE Mains 28 December Daily Chemistry Practice Questions for 2025 Session 1 with Solution

Q1. 10.8% of the weight of a 250 g solution of D-glucose in water is carbon. Given that the atomic weights of the solution are H, 1 u, C, 12 u, and O, 16 u, the solution's molality is closest 

1. 1.03
2. 2.06
3. 3.09
4. 5.40

Answer (B)

Q2. Two statements are provided below. Assertion A is the name of one, and Reason R is the name of the other.

Assertion A: The energy of the 2s orbital of a hydrogen atom is greater than that of the 2s orbital of lithium.

Reason R: Energies of the orbitals in the same subshell decrease with an increase in the atomic number.

In light of the above statements, choose the correct answer from the options given below.

1. Both (A) and (R) are true and (R) is the correct
2. Both (A) and (R) are true but (R) is not the correct explanation of (A).
3. (A) is true, but (R) is false.
4. (A) is false, but (R) is true.

Answer (A)

Q3. Assertion (A) and Reason (R) are the names of the two statements that are presented here.

Assertion (A): Activated charcoal adsorbs SO2 more efficiently than CH4. 

Reason (R): Gases with lower critical temperatures are readily adsorbed by activated charcoal. In the light of the above statements, choose the most appropriate answer from the options given below: 

1. Both (A) and (R) are true and (R) is the correct 
2. Both (A) and (R) are true but (R) is not the correct explanation of (A). 
3. (A) is true, but (R) is false. 
4. (A) is false, but (R) is true. 

Answer (C) 

Q4. The non-volatile solute A's boiling point in a 2% aqueous solution is the same as the non-volatile solute B's boiling point in an 8% aqueous solution. The relationship between A and B's molecular weights is

1. MA = 4MB 
2. MB = 4MA 
3. MA = 8MB 
4. MB = 8MA 

Answer (B)

Q5. The incorrect statement is 

1. The first ionization enthalpy of K is less than that of Na and Li. 
2. Xe does not have the lowest first ionization enthalpy in its group. 
3. The first ionization enthalpy of an element with atomic number 37 is lower than that of the element with atomic number 38. 
4. The first ionization enthalpy of Ga is higher than that of the d-block element with atomic number 30. 

Answer (D)

JEE Mains 28 December Daily Mathematics Practice Questions for 2025 Session 1 with Solution

Q1: When 3^2022 is divided by 5, the residue is:

1. 1
2. 2
3. 3
4. 4

Answer (D)

Q2: A spherically shaped balloon's surface area grows steadily as it is inflated. If the balloon's radius is three units at first and seven units after five seconds, then its radius after nine seconds is:

1. 9
2. 10
3. 11
4. 12

Answer (A)

Q3. Three black, two red, and one white ball are in bag B, whereas two white, one black, and three red balls are in bag A. Two balls are randomly selected from one bag, one of which is red, while the other is black. If there is a 6/11 chance that both balls will come from Bag A, then n equals

1. 13
2. 6
3. 4
4. 3

Answer (C)

Q4. Ax + 2ay+3z = -1 x + 3ay + 5z = 4 is an equation system that is inconsistent for a variety of values of a.

1. 0
2. 1
3. 2
4. 3

Answer (B)

Q5. f:{a,b,c,d}->{0,1,2,3....} is the number of one-to-one functions such that 2f

1. -f
2. +3f
3. +f
4. =0 is (A) 01

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