JEE Mains 2025 24 Jan Evening Shift physics questions with solutions

Showing 1–10 of 15 questions

• MCQeasyThermodynamicsheat and principle of calorimeter

  Which relation correctly represents Celsius temperature C and Fahrenheit temperature F?

  Options

  • Option A
    
  • Option B
    
  • Option C
    
  • Option D
    

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →
• MCQeasysemiconductorlogic gate

  A logic circuit consists of an OR gate followed by a NOT operation (NOR). For which inputs is the output zero? A:(0,0), B:(0,1), C:(1,0), D:(1,1).

  

  Options

  • Option A

    A only

  • Option B

    A, B, C only

  • Option C

    B, C, D only

  • Option D

    A and C

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →
• MCQmediumThermodynamicsthermodynmic process and work done

  In the circular thermodynamic cycle ABCA shown in the original question figure, the magnitude of work done by the gas in one cycle is:

  

  Options

  • Option A

    2π

  • Option B

    10π

  • Option C

    5π

  • Option D

    0

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →
• IntegereasyProperties of solid and fluidpropertes of solid stress ,strain and modulus of elasticity

  The excess pressure required to decrease the volume of a water sample by 0.2% is P×10⁵ Pa. If the bulk modulus is 1.25×10⁹ Pa, P is:

  Your answer

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →
• MCQmediumElectrostaticelectric charge and coulamb's law

  Two identical conducting spheres are separated by distance l. One carries charge 4×10⁻⁸ C and the other is neutral. They are connected by a conducting wire and then the force between them is 9×10⁻³ N. Find l.

  Options

  • Option A

    4 cm

  • Option B

    4 m

  • Option C

    2 cm

  • Option D

    1 cm

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →
• IntegereasyGravitationAcceleration Due to Gravity & Escape Velocity

  If acceleration due to gravity on Earth is g, then on a planet having the same mass as Earth but diameter one-third of Earth's diameter, g′=ng. The value of n is:

  Your answer

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →
• MCQmediumMagnetic effect of currentampere's law and its application

  A long solid cylindrical conductor carries current uniformly along its axis. Which graph correctly describes magnetic field B versus radial distance r?

  Options

  • Option A
    
  • Option B
    
  • Option C
    
  • Option D
    

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →
• MCQmediumThermodynamicsheat transfer due to radiation

  A body cools from 40°C to 24°C in 4 min in surroundings at 16°C. Using the same Newton's-law-of-cooling approximation as the source solution, its temperature after a further 4 min is:

  Options

  • Option A

    20°C

  • Option B

    22°C

  • Option C

    56/3 °C

  • Option D

    17°C

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →
• MCQeasyElectromagnetic wavedisplacement current and properties of electromagnetic wave

  Arrange the following electromagnetic waves in decreasing order of wavelength: a. Microwave, b. Ultraviolet, c. Infrared, d. X-rays.

  Options

  • Option A

    a>b>c>d

  • Option B

    d>c>b>a

  • Option C

    a>c>b>d

  • Option D

    c>a>b>d

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →
• MCQeasyUnit dimension and errorDimension and its application

  If E, p, m and c denote energy, linear momentum, mass and speed of light respectively, which relation is dimensionally correct?

  Options

  • Option A

    E²=p²c²+m²c⁴

  • Option B

    E²=pc²+m²c⁴

  • Option C

    E=p²c²+m²c²

  • Option D

    E²=pc²+m²c²

  Check answerShow answer

  JEE Mains 2025 24 Jan Evening Shift

  Open question & full solution →