JEE Main Daily Practice Questions 11 January 2025

JEE Main Daily Practice Questions 11 January 2025: 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 11 January  2025, including five questions from each subject: Mathematics, Physics, and Chemistry.

Also Read | NEET Daily Practice Questions 11 January 2025

JEE Main Daily Practice Questions 11 January 2025: Physics

Candidates can check out the JEE Main daily practice questions 11 January 2025 from the Physics section:

Question 1: A balloon has a mass of 10 g in air. The air escapes from the balloon at a uniform rate with velocity 4.5 cm/s. If the balloon shrinks in 5 s completely. Then, the average force acting on that balloon will be (in dyne).

(A) 3

(B) 9

(C) 12

(D) 18

Answer (B)

Question 2: A NCC parade is going at a uniform speed of 9 km/h under a mango tree on which a monkey is sitting at a height of 19.6 m. At any particular instant, the monkey drops a mango. A cadet will receive the mango whose distance from the tree at time of drop is (Given g = 9.8 m/s2)

(A) 5 m

(B) 10 m

(C) 19.8 m

(D) 24.5 m

Answer (A)

Question 3: If the radius of earth shrinks by 2% while its mass remains same. The acceleration due to gravity on the earth's surface will approximately

(A) Decrease by 2%

(B) Decrease by 4%

(C) Increase by 2%

(D) Increase by 4%

Answer (D)

Question 4: In two different experiments, an object of mass 5 kg moving with a speed of 25 ms–1 hits two different walls and comes to rest within (i) 3 second, (ii) 5 seconds, respectively.

Choose the correct option out of the following:

(A) Impulse and average force acting on the object will be the same for both the cases.

(B) Impulse will be the same for both the cases but the average force will be different.

(C) Average force will be the same for both the cases but the impulse will be different.

(D) Average force and impulse will be different for both the cases.

Answer (B)

Question 5: The force required to stretch a wire of cross-section 1 cm2 to double its length will be:

(Given Young's modulus of the wire = 2 × 1011 N/m2)

(A) 1 × 107 N

(B) 1.5 × 107 N

(C) 2 × 107 N

(D) 2.5 × 107 N

Answer (C)

JEE Main Daily Practice Questions 11 January 2025: Chemistry

Candidates can check out the JEE Main daily practice questions 11 January 2025 from the Chemistry section:

Question 1: Identify the incorrect statement from the following.

(A) A circular path around the nucleus in which an electron moves is proposed as Bohr’s orbit.

(B) An orbital is the one electron wave function (a) in an atom.

(C) The existence of Bohr’s orbits is supported by the hydrogen spectrum.

(D) Atomic orbital is characterised by the quantum numbers n and l only.

Answer (D)

Question 2: The metal salts formed during softening of hard water using Clark’s method are :

(A) Ca(OH)2 and Mg(OH)2

(B) CaCO3 and Mg(OH)2

(C) C12H22O11(aq) + H2O(l)

(D) 2SO2(g) + O2(g)

Answer (B)

Question 3: In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical?

(A) Rb and Cs

(B) Na and K

(C) Ar and Kr

(D) I and At

Choose the correct answer from the options given below:

(A) (A) and (B) only

(B) (B) and (C) only

(C) (A) and (C) only

(D) (C) and (D) only

Answer (C)

Question 4: Which of the following statements is incorrect?

(A) Low solubility of LiF in water is due to its small hydration enthalpy.

(B) KO2 is paramagnetic.

(C)Solution of sodium in liquid ammonia is conducted in nature.

(D) Sodium metal has higher density than potassium metal.

Answer (A)

Question 5: Given below are two statements:

Statement I: In polluted water values of both dissolved oxygen and BOD are very low.

Statement II: Eutrophication results in decrease in the amount of dissolved oxygen.

In the light of the above statements, choose the most appropriate answer from the options given

(A) Both Statement I and Statement II are true

(B) Both Statement I and Statement II are false

(C) Statement I is true but Statement II is false

(D) Statement I is false but Statement II is true

Answer (D)

JEE Main Daily Practice Questions 11 January 2025: Mathematics

Candidates can check out the JEE Main daily practice questions 11 January 2025 from the Maths section:

Problem 1: Out of 60% female and 40% male candidates appearing in an exam, 60% candidates qualify it. The number of females qualifying the exam is twice the number of males qualifying it. A candidate is randomly chosen from the qualified candidates. The probability, that the chosen candidate is a female, is

(1) 3/4

(2) 11/16

(3) 23/16

(4) None of the candidates

Solution (4)

Problem 2: The system of linear equations

3x – 2y –   kz = 10

2x – 4y – 2z = 6

x + 2y – z = 5m

is inconsistent if :

(1) k is not equal to 3, m is not equal to 4/5

(2) k is not equal to 3

(3) k is equal to 3, m is equal to 4/5

(4) k is equal to 3, m is not equal to 4/5

Solution (4)

Problem 3: The remainder when 7^2022 + 3^2022 is divided by 5 is:

(A) 0

(B) 2

(C) 3

(D) 4

Solution (3)

Problem 4: Let S be the set of all passwords which are six to eight characters long, where each character is either an alphabet from {A, B, C, D, E} or a number from {1, 2, 3, 4, 5} with the repetition of characters allowed. If the number of passwords in S whose at least one character is a number from {1, 2, 3, 4, 5} is a × 5^6, then a is equal to   .

(1) 7070

(2) 7071

(3) 7072

(4) 7073

Solution (4)

Problem 5: Let P(–2, –1, 1) and Q (56/17, 43/17 ,111/17) be the vertices of the rhombus PRQS. If the direction ratios of the diagonal RS are a, –1, b, where both a and b are integers of minimum absolute values, then a^2 + b^2 is equal to .

(1) 400

(2) 450

(3) 500

(4) 550

Solution (2)

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