JEE Main DPP 15 November 2024: Daily practice problems for 2025 aspirants

JEE Main DPP 15 November 2024

JEE Main DPP 15 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 15 November 2024, including five questions from each subject: Mathematics, Physics, and Chemistry.

Also Read | NEET Daily Practice Questions 15 November 2024: DPP for 2025 aspirants

JEE Main DPP 15 November 2024: Physics

Candidates can check out the JEE Main DPP 15 November 2024 daily practice problems for 2025 aspirants from the Physics section:

Question 1: A ball of mass 200 g rests on a vertical post of height 20 m. A bullet of mass 10 g, travelling in horizontal direction, hits the centre of the ball. After collision both travel independently. The ball hits the ground at a distance of 30 m and the bullet at a distance of 120 m from the foot of the post. The value of initial velocity of the bullet will be (if g = 10 m/s2)

(1) 60 m/s

(2) 120 m/s

(3) 400 m/s

(4) 360 m/s

Answer (4)

Question 2: Heat is given to an ideal gas in an isothermal process.

A. The internal energy of the gas will decrease.

B.  Internal energy of the gas will increase.

C.  The internal energy of the gas will not change.

D.  The gas will do positive work.

E.  The gas will do negative work.

Choose the correct answer from the options given below:

(1) C and E only

(2) C and D only

(3)  A and E only

(4) B and D only

Answer (2)

Question 3: A person has been using spectacles of power –1.0 dioptre for distant vision and a separate reading glass of power 2.0 dioptres. What is the least distance of distinct vision for this person

(1)  50 cm

(2) 10 cm

(3) 30 cm

(4) 40 cm

Answer (1)

Question 4: The height of liquid column raised in a capillary tube of certain radius when dipped in liquid A vertically is, 5 cm. If the tube is dipped in a similar manner in another liquid B of surface tension and density double the values of liquid A, the height of the liquid column raised in liquid B would be ___m.

(1) 0.20

(2) 0.05

(3) 0.5

(4) 0.10

Answer (2)

Question 5: A sinusoidal carrier voltage is amplitude modulated. The resultant amplitude modulated wave has maximum and minimum amplitude of 120 V and 80 V respectively. The amplitude of each sideband is

(1) 10 V

(2) 15 V

(3) 20 V

(4) 5 V

Answer (1)

JEE Main DPP 15 November 2024: Chemistry

Candidates can check out the JEE Main DPP  15 November 2024 daily practice problems for 2025 aspirants from the Chemistry section:

Question 1: Amongst the following compounds, which one is an antacid?

(1) Meprobamate

(2) Brompheniramine

(3) Ranitidine

(4) Terfenadine

Answer (3)

Question 2: The alkaline earth metal sulphate(s) which are readily soluble in water is/are:

A.   BeSO4

B.   MgSO4

C.   CaSO4

D.  SrSO4

E.   BaSO4

Choose the correct answer from the options given below:

(1)  B only

(2) A and B

(3) B and C

(4) A only

Answer (2)

Question 3: Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R).

Assertion (A) : In expensive scientific instruments, silica gel is kept in watch-glasses or in semipermeable membrane bags.

Reason (R) : Silica gel adsorbs moisture from air via adsorption, thus protects the instrument from water corrosion (rusting) and / or prevents malfunctioning.

In the light of the above statements, choose the

correct answer from the options given below :

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

(2) (A) is false but (R) is true

(3) (A) is true but (R) is false

(4) Both (A) and (R) are true but (R) is the correct explanation of (A)

Answer (4)

Question 4: To inhibit the growth of tumours, identify the compounds used from the following :

(A) EDTA

(B) Coordination Compounds of Pt

(C) D - Penicillamine

(D) Cis - Platin

Choose the correct answer from the option given below :

(1) C and D only

(2) B and D only

(3) A and B only

(4) A and C only

Answer (2)

Question 5: Caprolactam when heated at high temperature in presence of water, gives

(1) Nylon 6, 6

(2) Nylon 6

(3) Dacron

(4) Teflon

Answer (2)

JEE Main DPP 15 November 2024: Mathematics

Candidates can check out the JEE Main DPP 15 November 2024 daily practice problems for 2025 aspirants from Maths section:

Problem 1: If P(h, k) be a point on the parabola x = 4y ^2, which is nearest to the point Q(0,33), then the distance of P from the directrix of the parabola y^2= 4 (x+y) is equal to

(1) 4

(2) 8

(3) 6

(4) 2

Solution (3)

Problem 2: The minimum number of elements that must be added to the relation R={ (a,b), (b,c) } on the set {a,b,c} so that it becomes symmetric and transitive is

(1) 7

(2) 3

(3) 5

(4) 4

Solution (1)

Problem 3: If an unbiased die, marked with –2, –1, 0, 1, 2, 3 on its faces, is thrown five times, then the probability that product of the outcomes is positive is:

(1) 881/2592

(2) 440/2592

(3) 27/448

(4) 521/2592

Solution (4)

Problem 4: Number of 4-digit numbers (the repetition of digits is allowed) which are made using the digits 1, 2, 3 and 5, and are divisible by 15, is equal to

(1) 28

(2) 21

(3) 35

(4) 20

Solution (2)

Problem 5: The mean and variance of 7 observations are 8 and 16 respectively. If one observation 14 is omitted and a and b are respectively mean and variance of remaining 6 observation, then a + 3b – 5 is equal to

(1) 36

(2) 35

(3) 34

(4) 37

Solution (4)