JEE Main DPP 26 November 2024: Daily practice problems for 2025 aspirants

JEE Main DPP 26 November 2024

JEE Main DPP 26 November 2024: JEE Main Session 1 2025 will take place from January 22 to 31. Applicants preparing for the exam must focus on practising the JEE Main sample papers. Hence, here are some daily practice questions with answers for JEE Main DPP 26 November 2024, including five questions from each subject: Mathematics, Physics, and Chemistry.

JEE Main DPP 26 November 2024: Physics

Candidates can check out the JEE Main DPP 26 November 2024 daily practice problems for 2025 aspirants from the Physics section:

Question 1: Which of the following physical quantities have the same dimensions?

(A) Electric displacement (D) and surface charge density

(B) Displacement current and electric field

(C) Current density and surface charge density

(D) Electric potential and energy

Answer (A)

Question 2: A body of mass 0.5 kg travels on a straight line path with velocity v = (3x^2+ 4) m/s. The net work done by the force during its displacement from x = 0 to x = 2 m is

(A) 64 J

(B) 60 J

(C) 120 J

(D) 128 J

Answer (B)

Question 3: Three identical particles A, B and C of mass 100 kg each are placed in a straight line with AB = BC = 13 m. The gravitational force on a fourth particle P of the same mass is F, when placed at a distance 13 m from the particle B on the perpendicular bisector of the line AC. The value of F will be approximately

(A) 21G

(B) 100G

(C) 59G

(D) 42G

Answer (B)

Question 4: Following statements are given:

(A) The average kinetic energy of a gas molecule decreases when the temperature is reduced.

(B)The average kinetic energy of a gas molecule increases with increase in pressure at constant temperature.

(C) The average kinetic energy of a gas molecule decreases with increase in volume.

(D) Pressure of a gas increases with increase in temperature at constant pressure.

(E) The volume of gas decreases with increase in temperature.

Choose the correct answer from the options given below:

(A) (A) and (D) only

(B) (A), (B) and (D) only

(C) (B) and (D) only

(D) (A), (B) and (E) only

Answer (A)

Question 5: Two charged particles, having the same kinetic energy, are allowed to pass through a uniform magnetic field perpendicular to the direction of motion. If the ratio of radii of their circular path is 6 : 5 and their respective masses ratio is 9 : 4. Then, the ratio of their charges will be :

(A) 8 : 5

(B) 5 : 4

(C) 5 : 3

(D) 8 : 7

Answer (B)

JEE Main DPP 26 November 2024: Chemistry

Candidates can check out the JEE Main DPP  26 November 2024 daily practice problems for 2025 aspirants from the Chemistry section:

Question 1: Choose the correct order of density of the alkali metals.

(A) Li < K <Na <Rb <Cs

(B) Li <N <Ka <Rb <Cs

(C) Cs <Rb < K<Na < Li

(D) Li<Na< K<Cs <Rb

Answer (A)

Question 2: The interhalogen compound formed from the reaction of bromine with excess of fluorine is a :

(A) hypohalite

(B) halate

(C) perhalate

(D) halite

Answer (B)

Question 3: During the denaturation of proteins, which of these structures will remain intact?

(A) Primary

(B) Secondary

(C) Tertiary

(D) Quaternary

Answer (A)

Question 4: Drugs used to bind to receptors, inhibiting its natural function and blocking a message are called:

(A) Agonists

(B) Antagonists

(C) Allosterists

(D) Anti histaminists

Answer (B)

Question 5: Given below are two statements:

Statement I: On heating with KHSO4, glycerol is dehydrated and acrolein is formed.

Statement II: Acrolein has fruity odour and can be used to test glycerol’s presence.

Choose the correct option.

(A) Both Statement I and Statement II are correct.

(C) Both Statement I and Statement II are incorrect.

(C) Statement I is correct but Statement II is incorrect.

(D) Statement I is incorrect but Statement II is correct.

Answer (C)

JEE Main DPP 26 November 2024: Mathematics

Candidates can check out the JEE Main DPP 26 November 2024 daily practice problems for 2025 aspirants from Maths section:

Problem 1: The minimum value of the sum of the squares of the roots of x^2 + (3 – a)x + 1 = 2a is

(A) 4

(B) 5

(C) 6

(D) 8

Solution (C)

Problem 2: Let X be a binomially distributed random variable with mean 4 and variance 4 . Then, 54 P(X <= 2) is equal to

(A) 73/27

(B) 146/27

(C) 146/81

(D) 126/81

Solution (B)

Problem 3: Numbers are to be formed between 1000 and 3000, which are divisible by 4, using the digits 1, 2, 3, 4, 5 and 6 without repetition of digits. Then the total number of such numbers is

(A) 20

(B) 25

(C) 30

(D 35

Solution (3)

Problem 4: The mean and standard deviation of 40 observations are 30 and 5 respectively. It was noticed that two of these observations 12 and 10 were wrongly recorded. If s is the standard deviation of the data after omitting the two wrong observations from the data, then 38s^2 is equal to

(A) 228

(B) 238

(C) 248

(D) 258

Solution (B)

Problem 5: Different A.P.’s are constructed with the first term 100, the last term 199, and integral common differences. The sum of the common differences of all such A.P.’s having at least 3 terms and at most 33 terms is

(A) 53

(B) 73

(C) 93

(D 113

Solution (A)