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24 January Evening Shift physics questions with solutions
Browse 24 January Evening Shift Physics questions with solutions. Useful for JEE, NEET, and school exam revision.
Showing 1–10 of 24 questions
- NumericmediumProperties of solid and fluid
A soap bubble of surface tension 0.04 N/m is blown to a diameter of 7 cm. If (15000 - x) μJ of work is done in blowing it further to make its diameter 14 cm, then the value of x is ____.
(π = 22/7)
JEE Mains 202624 January Evening Shift
Open question & full solution → - MCQmediumNuclear physics
The binding energy for the following nuclear reactions are expressed in MeV.
³₂He + ¹₀n → ⁴₂He + 20 MeV
⁴₂He + ¹₀n → ⁵₂He - 0.9 MeV
If X₃, X₄, X₅ denote the stability of ³₂He, ⁴₂He and ⁵₂He, respectively, then the correct order is :
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JEE Mains 202624 January Evening Shift
Open question & full solution → - MCQmediumCapacitor
The reading of the ammeter (A) in steady state in the following circuit (assuming negligible internal resistance of the ammeter) is ________A.
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JEE Mains 202624 January Evening Shift
Open question & full solution → - MCQeasyUnit dimension and error
In a vernier callipers, 50 vernier scale divisions are equal to 48 main scale divisions. If one main scale division = 0.05 mm, then the least count of the vernier callipers is _____mm.
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JEE Mains 202624 January Evening Shift
Open question & full solution → - MCQmediumNewtons law of motion and Friction
A flexible chain of mass m hangs between two fixed points at the same level. The inclination of the chain with the horizontal at the two points of support is 30°. Considering the equilibrium of each half of the chain, the tension of the chain at the lowest point is _____.
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JEE Mains 202624 January Evening Shift
Open question & full solution → - MCQmediumWork , Power and Energy
In case of vertical circular motion of a particle by a thread of length r if the tension in the thread is zero at an angle 30° shown in figure, the velocity at the bottom point (A) of the circular path is
(g = gravitational acceleration)
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JEE Mains 202624 January Evening Shift
Open question & full solution → - MCQmediumGeometrical optics
Five persons P₁, P₂, P₃, P₄ and P₅ recorded object distance (u) and image distance (v) using same convex lens having power +5D as (25,96), (30,62), (35,37), (45,35) and (50,32) respectively. Identify correct statement
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JEE Mains 202624 January Evening Shift
Open question & full solution → - MCQmediumThermodyanmics
10 mole of an ideal gas is undergoing the process shown in the figure. The heat involved in the process from P₁ to P₂ is α Joule (P₁ = 21.7 Pa and P₂ = 30 Pa, Cv = 21 J/K·mol, R = 8.3 J/mol·K). The value of α is ____.
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JEE Mains 202624 January Evening Shift
Open question & full solution → - MCQeasyWave Motion
A point source is kept at the center of a spherically enclosed detector. If the volume of the detector increased by 8 times, the intensity will
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JEE Mains 202624 January Evening Shift
Open question & full solution → - MCQmediumRotational Motion
A thin uniform rod (X) of mass M and length L is pivoted at a height L/3 as shown in the figure. The rod is allowed to fall from a vertical position and lie horizontally on the table. The angular velocity of this rod when it hits the table top, is_______.
(g = gravitational acceleration)
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JEE Mains 202624 January Evening Shift
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