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JEE Main DPP 7 November 2024: Daily practice problems for 2025 aspirants

To enhance the regular preparation for JEE Main Session 1 2025, aspirants should solve daily practice questions. Here are JEE Main DPP  7 November 2024 for Physics, Chemistry, and Mathematics.


 

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JEE Main DPP 7 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 7 November 2024, including five questions from each subject: Mathematics, Physics, and Chemistry.

Also Read | NEET Daily Practice Questions 7 November 2024: DPP for 2025 aspirants

JEE Main DPP 7 November 2024: Physics

Candidates can check out the JEE Main DPP 7 November 2024 daily practice problems for 2025 aspirants from the Physics section: 

Question 1: Two bodies having the same linear momentum have a ratio of kinetic energy as 16 : 9. Find the ratio of masses of these bodies.

(1) 9/16

(2) 4/3

(3) 3/4

(4)16/9

Answer (1)

Question 2: If the height of the tower used for L.O.S is increased by 21% then percentage change in range is

(1) 10%

(2) 21%

(3) 19%                

(4) 42%

Answer (1)

Question 3: The work function for two metals are 9 eV and 4.5 eV. Find the approx. difference between their threshold wavelengths. (Use hC = 1240 eV–nm)

(1) 138 nm                      

(2) 130 nm

(3) 112 nm                

(4) 145 nm

Answer (1)

Question 4: Which of the following show a time varying magnetic field?

(1)  Linearly varying

(2)  Permanent magnet

(3)  Antenna signal

(4)  Constant electric field

Answer (3)

Question 5: A dipole of charge 0.01 C and separation 0.4 mm, is placed in an electric field of strength 10 dyne/C. Find the maximum torque exerted on the dipole in the field.

(1) 4 × 10–9 Nm         

(2) 2 × 10–10 Nm

(3) 4 × 10–10 Nm        

(4) 2 × 10–9 Nm

Answer (3)

JEE Main DPP 7 November 2024: Chemistry

Candidates can check out the JEE Main DPP  7 November 2024 daily practice problems for 2025 aspirants from the Chemistry section: 

Question 1: What happens when lyophilic sol is added to lyophobic sol?

(1)  Prevention from coagulation

(2)  Precipitation

(3)  Emulsion

(4)  Electrophoresis

Answer (1)

Question 2: Which one of the following shows an incorrect method of refining?

(1)  Zinc : Liquation

(2) Copper : Electrolysis

(3) Titanium : Van Arkel Method

(4) Nickel : Mond's Process

Answer (1)

Question 3: The pair of lanthanoids with exceptionally higher 3rd ionisation enthalpy than neighbour elements.

(1) Lu and Yb           

(2) Eu and Gb

(3) Eu and Yb           

(4) Dy and Yb

Answer (3)

Question 4: Incorrect statement about Borazine is

(1) It has Banana shape bonds

(2) It has electron delocalisation

(3)  It reacts with water

(4) Cyclic in nature

Answer (1)

Question 5: ClF5 exists in which state at room temperature?

(1)  Gaseous state and square pyramidal, colourless

(2)  Liquid state and trigonal bipyramidal, colourless

(3) Gaseous state and trigonal bipyramidal, colourless

(4)  Liquid state and square pyramidal, colourless

Answer (4)

JEE Main DPP 7 November 2024: Mathematics

Candidates can check out the JEE Main DPP  7 November 2024 daily practice problems for 2025 aspirants from Maths section: 

Problem 1: The number of seven digit numbers made using 1, 2, 3, 4 whose sum of digits is 12 is

(1) 413                      

(2) 311

(3) 308                      

(4) 393

Solution (1)

Problem 2: If 3f (x) + 2f (1/x) = (1/x) – 10, then f(3) =

(1) 2                          

(2) –3

(3) –4                       

(4) None of these

Solution (2)

Problem 3: The area of triangle with vertices (0,0), (4,0), and (2,6) is: 

(1) 12              

(2) 10  

(3) 8                 

(4) 6

Solution (1)

Problem 4: The probability of drawing a red card from a standard deck of 52 cards is:

(1) 26/52        

(2) 13/52

(3) 26/51               

(4) 1/2

Solution (4)

Problem 5: If the median of a set of numbers is 10, which of the following is true?

(1) The mean is always 10                 

(2) The mean is less than 10    

(3) The mean is greater than 10

(4) The mean may or may not be 10        

Solution (4)

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