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JEE Mains 2024 29 Jan Evening Shift physics questions with solutions
Browse JEE Mains 2024 29 Jan Evening Shift Physics questions with solutions. Useful for JEE, NEET, and school exam revision.
Showing 1–10 of 30 questions
- NumericmediumSimple Harmonic Motion
A simple harmonic oscillator has an amplitude A and time period 6π second. Assuming the oscillation starts from its mean position, the time required by it to travel from x = A to x = (√3/2)A will be π/x s, where x = _______ :
JEE Mains 2024 29 Jan Evening Shift
Open question & full solution → - MCQmediumsemiconductor
The truth table for this given circuit is :
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JEE Mains 2024 29 Jan Evening Shift
Open question & full solution → - MCQmediumProperties of solid and fluid
A small liquid drop of radius R is divided into 27 identical liquid drops. If the surface tension is T, then the work done in the process will be :
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JEE Mains 2024 29 Jan Evening Shift
Open question & full solution → - MCQmediumWork , Power and Energy
A bob of mass ‘m’ is suspended by a light string of length ‘L’. It is imparted a minimum horizontal velocity at the lowest point A such that it just completes half circle reaching the top most position B. The ratio of kinetic energies (K.E.)ₐ/(K.E.)ᵦ is :
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JEE Mains 2024 29 Jan Evening Shift
Open question & full solution → - NumericmediumAtomic Structure and X-rays
Hydrogen atom is bombarded with electrons accelerated through a potential different of V, which causes excitation of hydrogen atoms. If the experiment is being formed at T = 0 K. The minimum potential difference needed to observe any Balmer series lines in the emission spectra will be V = α/10, where α = ________.
JEE Mains 2024 29 Jan Evening Shift
Open question & full solution → - MCQmediumWork , Power and Energy
A stone of mass 900g is tied to a string and moved in a vertical circle of radius 1m making 10 rpm. The tension in the string, when the stone is at the lowest point is (if π² = 9.8 and g = 9.8 m/s²)
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JEE Mains 2024 29 Jan Evening Shift
Open question & full solution → - NumericdifficultCircular Motion
A particle is moving in a circle of radius 50 cm in such a way that at any instant the normal and tangential components of its acceleration are equal. If its speed at t = 0 is 4 m/s, the time taken to complete the first revolution will be (1/α)[1 – e⁻²π] s, where α = ______.
JEE Mains 2024 29 Jan Evening Shift
Open question & full solution → - MCQmediumMagnetic effect of current
Two particles X and Y having equal charges are being accelerated through the same potential difference. Thereafter they enter normally in a region of uniform magnetic field and describes circular paths of radii R₁ and R₂ respectively. The mass ratio of X and Y is :
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JEE Mains 2024 29 Jan Evening Shift
Open question & full solution → - MCQeasyKinematics Part-1 (one dimension)
A particle is moving in a straight line. The variation of position ‘x’ as a function of time ‘t’ is given as x = (t³ – 6t² + 20t + 15) m. The velocity of the body when its acceleration becomes zero is :
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JEE Mains 2024 29 Jan Evening Shift
Open question & full solution → - MCQeasyGravitation
A planet takes 200 days to complete one revolution around the Sun. If the distance of the planet from Sun is reduced to one fourth of the original distance, how many days will it take to complete one revolution ?
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JEE Mains 2024 29 Jan Evening Shift
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