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JEE Main Physics Most Expected Questions 2025JEE Main Physics Most Expected Questions 2025: The significance of JEE Main Physics Most Expected Questions for 2025 is crucial for students' preparation for the exam. Focusing on these questions helps streamline study efforts by prioritizing frequently tested topics essential for achieving high marks. They reflect current examination trends and assist students in identifying areas needing improvement. Practicing these questions enhances problem-solving skills and boosts confidence, enabling candidates to approach the exam strategically. Engaging with these anticipated questions is an effective way to optimize preparation and improve performance, facilitating admission into top engineering colleges.
JEE Main Physics Most Expected Questions 2025
Students can practice the most expected questions for JEE Mains 2025 Physics exam based on last year’s patterns to improve their scores.
S.No. | Questions |
|---|---|
1 | A horizontal force of 10 N is necessary to just hold a block stationary against a wall. The coefficient of friction between the block and the wall is 0.2. The weight of the block is- (a) 20 N (b) 50 N (c) 100 N (d) 2 N |
2 | Statement 1: A block of mass m starts moving on a rough horizontal surface with a velocity v. It stops due to friction between the block and the surface after moving through a certain distance. The surface is now tilted to an angle of 30°with the horizontal and the same block is made to go up on the surface with the same initial velocity v. The decrease in mechanical energy in the second situation is smaller than that in the first situation. Statement-2: The coefficient of friction between the block and the surface decreases with the increase in the angle of inclination. (a) Statement-1 and 2 are true and statement-2 is a correct explanation for statement-1 (b) Statement-1 and 2 are true and statement-2 is not a correct explanation for statement-1 (c) Statement-1 is true, statement-2 is false (d) Statement-1 is false, statement-2 is true. |
3 | A point mass of 1 kg collides elastically with a stationary point mass of 5 kg. After their collision, the 1 kg mass reverses its direction and moves with a speed of 2 ms4. Which of the following statements(s) are correct for the system of these two masses (a)The total momentum of the system is 3 kg ms-1 (b) The momentum of 5kg mass after the collision is 4kg ms-1 (c) The kinetic energy of the centre of mass is 0.75 J (d) The total kinetic energy of the system is 4 J |
4 | The moment of inertia of a uniform cylinder of length and radius R about its perpendicular bisector is I. What is the ratio l/R such that the moment of inertia is minimum? (a) 1 (b) 3√2 (c) √3/2 (d) √3/2 |
5 |
An artificial satellite moving in a circular orbit around the earth has a total (K.E. + P.E.) energy E
0
. Its potential energy is
(a) – E 0 (b) 1.5E 0 (c) 2E 0 (d) E 0 |
6 |
An ideal gas is enclosed in a cylinder at a pressure of 2 atm and temperature, 300 K. The mean time between two successive collisions is 6 × 10
–8
s. If the pressure is doubled and the temperature is increased to 500 K, the mean time between two successive collisions will be close to
(a) 4 × 10 –8 s (b) 3 × 10 –6 s (c) 0.5 × 10 –8 s (d) 2 × 10 –7 s |
7 |
A parachutist after bailing out falls 50 m without friction. When the parachute opens, it decelerates at 2 m/s
2
. He reaches the ground with a speed of 3 m/s. At what height did he bailout?
(a) 293 m (b) 111 m (c) 91 m (d) 182 m |
8 |
A rod of length L at room temperature and uniform area of cross-section A, Is made of a metal having a coefficient of linear expansion α. It is observed that an external compressive force F is applied to each of its ends, prevents any change in the length of the rod when its temperature rises by ΔT K. Young’s modulus, Y for this metal is
a.F/A αΔT b.F/Aα(ΔT – 273) c. F/2AαΔ d. 2F/AαΔT |
9 |
Two moles of an ideal monatomic gas occupies a volume V at 27°C. The gas expands adiabatically to a volume 2V. Calculate (i) the final temperature of the gas and (ii) change in its internal energy.
(a) (i) 198 K (ii) 2.7 kJ (b) (i) 195 K (ii) 2.7 kJ (c) (i) 189 K (ii) 2.7 kJ (d) (i) 195 K (ii) 2.7 kJ |
10 |
A cylinder with a fixed capacity of 67.2 lit contains helium gas at STP. The amount of heat needed to raise the temperature of the gas by 20°C is [Given that R = 8.31 J mol
–1
K
–1
]
(a) 350 J (b) 700 J (c) 748 J (d) 374 J |
11 |
Which statement is incorrect?
(a) All reversible cycles have the same efficiency (b) The reversible cycle has more efficiency than an irreversible one (c) Carnot cycle is a reversible one (d) Carnot cycle has the maximum efficiency in all cycles |
12 |
A particle undergoing simple harmonic motion has time-dependent displacement given by x(t) = Asin(πt/90). The ratio of kinetic to the potential energy of this particle at t = 210s will be
(a) 1/ 3 (b) 2 (c) 1 (d) 3 |
13 |
A string is stretched between fixed points separated by 75 cm. It is observed to have resonant frequencies of 420 Hz and 315 Hz. There are no other resonant frequencies between these two. Then, the lowest resonant frequency for this string is
(a) 10.5 Hz (b) 105 Hz (c) 1.05 Hz (d) 1050 Hz. |
14 |
A small speaker delivers 2W of audio output. At what distance from the speaker will one detect 120 dB intensity sound? (Given reference intensity of sound is 10-
12
W/m
2
)
(a) 40 cm (b) 20 cm (c) 10 cm (d) 30 cm |
15 |
Water is flowing continuously from a tap having an internal diameter 8 × 10
–3
m. The water velocity as it leaves the tap is 0.4 ms
–1
. The diameter of the water stream at a distance 2 × 10–1 m below the tap is close to
(a) 5.0 × 10 –3 m (b) 7.5 × 10 –3 m (c) 9.6 × 10 –3 m (d) 3.6 × 10 –3 m |
16 |
An electric field of 1000 V/m is applied to an electric dipole at an angle of 45°. The value of the electric dipole moment is 10
–29
Cm. What is the potential energy of the electric dipole?
(a) –10 × 10 –29 J (b) –7 × 10 –27 J (c) –20 × 10 –18 J (d) –9 × 10 –20 J |
17 |
An ideal battery of 4 V and resistance R are connected in series in the primary circuit of a potentiometer of length 1 m and resistance 5Ω. The value of R, to give a potential difference of 5 mV across 10 cm of potentiometer wire is
(a) 490 (b) 495 (c) 395 (d) 480 |
18 |
A parallel plate capacitor is made by stacking n equally spaced plates connected alternatively. If the capacitance between any two adjacent plates is C then the resultant capacitance is
(a) C (b) nC (c) (n – 1)C (d) (n + 1)C |
19 |
Needles N
1
, N
2
and N
3
are made of a ferromagnetic, a paramagnetic and a diamagnetic substance respectively. A magnet when brought close to them will
(a) attract all three of them (b) attract N 1 and N 2 strongly but repel N 3 (c) attract N 1 strongly, N 2 weakly and repel N 3 weakly (d) attract N 1 strongly, but repel N 2 and N 3 weakly |
20 |
When current in a coil changes from 5 A to 2 A in 0.1 s, an average voltage of 50 V is produced. The self-inductance of the coil is
(a) 0.67 H (b) 1.67 H (c) 3 H (d) 6 H |
Also read | JEE Main Question Paper 2 April 2025 Live Updates
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