JEE Main DPP 8 November 2024: Daily practice problems for 2025 aspirants

JEE Main DPP 8 November 2024

JEE Main DPP 8 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 8 November 2024, including five questions from each subject: Mathematics, Physics, and Chemistry.

Also Read | NEET Daily Practice Questions 8 November 2024: DPP for 2025 aspirants

JEE Main DPP 8 November 2024: Physics

Candidates can check out the JEE Main DPP 8 November 2024 daily practice problems for 2025 aspirants from the Physics section:

Question 1: Two identical trains cross each other moving on parallel tracks, opposite in direction. Speed of one of the trains is 70 km/hr and the second train has a speed of 110 km/hr. If it takes 8 seconds for two trains to cross each other then length of trains is equal to

(1) 100 m

(2) 200 m

(3) 300 m

(4) 400 m

Answer (2)

Question 2: If the ratio of amplitudes is 2 : 1 in Young’s double slit experiment, then find the ratio of maximum intensity to minimum intensity.

(1) 2 : 1

(2) 25 : 9

(3) 9 : 1

(4)  9 : 4

Answer (3)

Question 3: Assertion (A): Binding energy per nucleon for nuclei (Atomic number 30 to 107) is independent of atomic number.

Reason (R): Nuclear force is short range force.

(1) (A) and (R) both are true and (R) explains (A) correctly

(2) (A) and (R) both are true but (R) does not explain A correctly

(3) (A) is true but (R) is false

(4) (A) and (R) both are false

Answer (1)

Question 4: A mixture of gases with adiabatic coefficient equal to 3/2 is compressed from initial state (P0, V0) to one fourth volume adiabatically. Its final pressure will be equal to

(1)  P0

(2) 2P0

(3) 4P0

(4) 8P0

Answer (4)

Question 5: Statement 1: In a purely inductive circuit the average power consumed is very high.

Statement 2: In purely inductive circuits only, resonance can be achieved.

(1)  (1) and (2) both are true

(2)  (1) is false (2) is true

(3)  (1) is true (2) is false

(4)  (1) and (2) both are false

Answer (4)

JEE Main DPP 8 November 2024: Chemistry

Candidates can check out the JEE Main DPP  8 November 2024 daily practice problems for 2025 aspirants from the Chemistry section:

Question 1: The correct increasing order of the magnitude of standard enthalpies of formation for group-1 halides is

(1)  NaI < NaF < NaBr < NaCl

(2)  NaI < NaBr < NaCl < NaF

(3)  NaF < NaCl < NaBr < NaI

(4)  NaCl < NaBr < NaF < NaI

Answer (2)

Question 2: Which of the following the best method for preparation of BeF2

(1) Be + F2 -> BeF2

(2)  BeH2 + F2  -> BeF2

(3)  BeH2 + NaF  ->

(4)  By (NH4)2BeF4 (thermal decomposition)

Answer (4)

Question 3: Assertion A : Bond angle of SO2 is less than H2O

Reason R : Both form a V-shaped structure.

(1)  Assertion & Reason, both are correct and Reason is correct explanation of Assertion

(2)  Assertion and Reason, both are correct but Reason is not correct explanation of Assertion

(3)  Assertion is correct, Reason is incorrect

(4)  Assertion is incorrect, Reason is correct

Answer (3)

Question 4: Ba+2  cannot be precipitated as

(1)  BaCO3

(2)  Ba(OH)2

(3)  BaCrO4

(4)  BaSO4

Answer (2)

Question 5: A naturally occurring amino acid that contains only one basic functional group.

(1)  Arginine

(2)  Lysine

(3)  Histidine

(4)  Isoleucine

Answer (4)

JEE Main DPP 8 November 2024: Mathematics

Candidates can check out the JEE Main DPP  8 November 2024 daily practice problems for 2025 aspirants from Maths section:

Problem 1: The number of six-digit number formed by using the digits {1, 2, 3, 4, 5, 6} which are divisible by 6 (Repetition is not allowed)

(1) 120

(2) 360

(3) 240

(4) 720

Solution (2)

Problem 2: In a given data set the mean of 40 observations is 50 and standard deviation is 12. Two readings which were 20 and 25, were mistakenly taken as 40 and 45. Find correct variance of data set

(1) 169

(2) 150

(3) 178

(4) 180

Solution (3)

Problem 3: If z=2+3i, then |z| (the modulus of z) is:

(1) 5

(2) (5)^1/2

(3) 7

(4) (13)^1/2

Solution (4)

Problem 4: A coin is tossed 3 times. What is the probability of getting exactly two heads?

(1) 1/8

(2) 3/8

(3)1/4

(4) 1/2

Solution (2)

Problem 5: The sum of the first 10 terms of an arithmetic progression is 150, and the first term is 10. What is the common difference?

(1) 3

(2) 4

(3) 5

(4) 6

Solution (2)