JEE Main DPP 25 November 2024: Daily practice problems for 2025 aspirants

JEE Main DPP 25 November 2024

JEE Main DPP 25 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 25 November 2024, including five questions from each subject: Mathematics, Physics, and Chemistry.

JEE Main DPP 25 November 2024: Physics

Candidates can check out the JEE Main DPP 25 November 2024 daily practice problems for 2025 aspirants from the Physics section:

Question 1: For a body projected at an angle with the horizontal from the ground, choose the correct statement.

(1)  The horizontal component of velocity is zero at the highest point.

(2)  The vertical component  of  momentum  is maximum at the highest point.

(3)  Gravitational potential energy is maximum at the highest point

(4) The Kinetic Energy (K.E.) is zero at the highest point of projectile motion.

Answer (3)

Question 2: Two objects A and B are placed at 15 cm and 25 cm from the pole in front of a concave mirror having radius of curvature 40 cm. The distance between images formed by the mirror is

(1) 100 cm

(2) 40 cm

(3) 160 cm

(4) 60 cm

Answer (3)

Question 3: The escape velocities of two planets A and B are in the ratio 1 : 2. If the ratio of their radii respectively is 1 : 3, then the ratio of acceleration due to gravity of planet A to the acceleration of gravity of planet B will be

(1) 2/3

(2) 4/3

(3) 3/2

(4) 3/4

Answer (4)

Question 4: The ratio of average electric energy density and total average energy density of electromagnetic wave is

(1) 3

(2) 2

(3) 1

(4) 1/2

Answer (4)

Question 5: In an amplitude modulation, a modulating signal having amplitude of X V is superimposed with a carrier signal of amplitude Y V in the first case. Then, in the second case, the same modulating signal is superimposed with a different carrier signal of amplitude 2Y V. The ratio of modulation index in the two cases respectively will be:

(1) 2 : 1

(2) 1 : 2

(3) 1 : 1

(4) 4 : 1

Answer (1)

JEE Main DPP 25 November 2024: Chemistry

Candidates can check out the JEE Main DPP 25 November 2024 daily practice problems for 2025 aspirants from the Chemistry section:

Question 1: Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A): Gypsum is used for making fireproof wall boards.

Reason (R): Gypsum is unstable at high temperatures.

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

(1) Both (A) and (R) are correct and (R) is the correct explanation of (A)

(2) (A) is correct but (R) is not correct

(3) Both (A) and (R) are correct but (R) is not the correct explanation of (A)

(4) (A) is not correct but (R) is correct

Answer (3)

Question 2: The depression in freezing point observed for a formic acid solution of concentration 0.5 mL L–1 is 0.0405°C. Density of formic acid is 1.05 g mL–1. The Van’t Hoff factor of the formic acid solution is nearly (Given for water kf = 1.86 k kg mol–1)

(1) 0.8

(2) 1.1

(3) 1.9

(4) 2.4

Answer (3)

Question 3: The compound(s) that is(are) removed as slag during the extraction of copper is

(A) CaO

(B) FeO

(C) Al2O3

(D) ZnO

(E) NiO

Choose the correct answer from the options given below :

(1) (C), (D) only

(2) (A), (B), (E) only

(3) (A), (B) only

(4) (B) only

Answer (4)

Question 4: The reaction of H2O2 with potassium permanganate in acidic medium leads to the formation of mainly

(1) Mn2+

(2) Mn4+

(3) Mn3+

(4) Mn6+

Answer (1)

Question 5: The IUPAC nomenclature of an element with electronic configuration [Rn] 5f146d17s2 is

(1) Unnilbium

(2) Unnilunium

(3) Unnilquadium

(4) Unniltrium

Answer (4)

JEE Main DPP 25 November 2024: Mathematics

Candidates can check out the JEE Main DPP 25 November 2024 daily practice problems for 2025 aspirants from Maths section:

Problem 1: Let f : R ->R be a continuous function such that f(3x) – f(x) = x. If f(8) = 7, then f(14) is equal to

(1) 4

(2) 10

(3) 11

(4) 16

Solution (2)

Problem 2: The odd natural number a, such that the area of the region bounded by y = 1, y = 3, x = 0, x = y^a  is 364/3, is equal to

(1)  3

(2)  5

(3)  7

(4)  9

Solution (2)

Problem 3: A point P moves so that the sum of squares of its distances from the points (1, 2) and (–2, 1) is 14. Let f(x, y) = 0 be the locus of P, which intersects the x-axis at the points A, B and the y-axis at the points C, D. Then the area of the quadrilateral ACBD is equal to

(1) 9/2

(2) [3(17)^½]/2

(3) [3(17)^½]/4

(4) 9

Solution (2)

Problem 4: The length of the perpendicular from the point (1, –2, 5) on the line passing through (1, 2, 4) and parallel to the line x + y – z = 0 = x – 2y + 3z – 5 is

(1) (21/2)^½

(2) (9/2)^½

(3) (73/2)^½

(4) 1

Solution (1)

Problem 5: The mean and variance of a binomial distribution are a and a/3 respectively. If P( X = 1) =4/243 , then P(X = 4 or 5) is equal to :

(1) 5/9

(2) 64/81

(3) 16/27

(4) 145/243

Solution (3)