NEET2025

NEET 2025

180 questions with step-by-step solutions. All free.

Physics

Q1 Consider a water tank shown in the figure. It has one wall at $x = L$ and can be taken to be very wide in the $z$ direction. When filled with a liquid of surface tension $S$ and density $\dots$
Q2 A microscope has an objective of focal length $2$ cm, eyepiece of focal length $4$ cm and the tube length of $40$ cm. If the distance of distinct vision of eye is $25$ cm, the magnification in the microscope is: …
Q3 An electron (mass $9 \times 1 0^{- 31}$ kg and charge $\dots$
Q4 There are two inclined surfaces of equal length ( $L$ ) and same angle of inclination $4 5^{\circ}$ with the horizontal. One of them is rough and the other is perfectly smooth. A given body takes $2 \dots$
Q5 The kinetic energies of two similar cars A and B are $100$ J and $225$ J respectively. On applying brakes, car A stops after $1000$ m and car B stops after $1500$ m. If $\dots$
Q6The current passing through the battery in the given circuit, is:
Q7 A bob of heavy mass $m$ is suspended by a light string of length $ℓ$ . The bob is given a horizontal velocity $v_{0}$
Q8The output (Y) of the given logic implementation is similar to the output of an/a ________ gate.
Q9 The electric field in a plane electromagnetic wave is given by $E_{z} = 60 \dots$
Q10 A ball of mass $0.5$ kg is dropped from a height of $40$ m. The ball hits the ground and rises to a height of $10$ m. The impulse imparted to the ball during its collision with the ground is (take $g = \dots$
Q11 AB is a part of an electrical circuit (see figure). The potential difference $(V_{A} - \dots$
Q12 A $2$ amp current is flowing through two different small circular copper coils having radii ratio $1 : 2$ . The ratio of their respective magnetic moments will be: …
Q13 In a certain camera, a combination of four similar thin convex lenses are arranged axially in contact. Then the power of the combination and the total magnification in comparison to the power ( $p$ ) and magnification ( $m$ ) for each lens will be, respectively: …
Q14 An oxygen cylinder of volume $30$ litre has $18.20$ moles of oxygen. After some oxygen is withdrawn from the cylinder, its gauge pressure drops to $11$ atmospheric pressure at temperature $2 7^{\dots}$
Q15In some appropriate units, time ( $t$ ) and position ( $x$ ) relation of a moving particle is given by $t = x^{2} + x$ . The acceleration of the particle is:
Q16 To an ac power supply of $220$ V at $50$ Hz, a resistor of $20 Ω$ , a capacitor of reactance $25 Ω$ and an inductor of reactance $\dots$
Q17 The Sun rotates around its centre once in $27$ days. What will be the period of revolution if the Sun were to expand to twice its present radius without any external influence? Assume the Sun to be a sphere of uniform density. …
Q18 A model for quantized motion of an electron in a uniform magnetic field $B$ states that the flux passing through the orbit of the electron is $n (h / e)$ where $n$ is an integer, $h\dots$
Q19 Three identical heat conducting rods are connected in series as shown in the figure. The rods on the sides have thermal conductivity $2 K$ while that in the middle has thermal conductivity $K$ . The left end of the combination is maintained at temperature $3 T$ and the right end at $\dots$
Q20 The plates of a parallel plate capacitor are separated by $d$ . Two slabs of different dielectric constant $K_{1}$ and $\dots$
Q21 Two cities X and Y are connected by a regular bus service with a bus leaving in either direction every $T$ min. A girl is driving a scooty with a speed of $60$ km/h in the direction X to Y notices that a bus goes past her every $30$ minutes in the direction of her motion, and every $10$ minutes in the opposite direction. Choose the correct option for the …
Q22 A uniform rod of mass $20$ kg and length $5$ m leans against a smooth vertical wall making an angle of $6 0^{\circ}$ with it. The other end rests on a rough horizontal floor. The friction force that the fl…
Q23 In an oscillating spring mass system, a spring is connected to a box filled with sand. As the box oscillates, sand leaks slowly out of the box vertically so that the average frequency $ω (t)$ and average amplitude $A (t)$ of the system change with time $t$ . Which one of the following options sche…
Q24 A balloon is made of a material of surface tension $S$ and its inflation outlet (from where gas is filled in it) has small area $A$ . It is filled with a gas of density $ρ$ and takes a spherical shape of radius $R$ . When the gas is allowed to flow freely out of it, its …
Q25 Consider the diameter of a spherical object being measured with the help of a Vernier callipers. Suppose its $10$ Vernier Scale Divisions (V.S.D.) are equal to its $9$ Main Scale Divisions (M.S.D.). The least division in the M.S. is $0.1$ cm and the zero of V.S. is at $x = \dots$
Q26 A parallel plate capacitor made of circular plates is being charged such that the surface charge density on its plates is increasing at a constant rate with time. The magnetic field arising due to displacement current is: …
Q27An unpolarized light beam travelling in air is incident on a medium of refractive index $1.73$ at Brewster's angle. Then:
Q28 Two identical charged conducting spheres A and B have their centres separated by a certain distance. Charge on each sphere is $q$ and the force of repulsion between them is $F$ . A third identical uncharged conducting sphere is brought in contact with sphere A first and then with sphere B and finally removed from both. New force of repulsion between spheres A and B (radii of A and B are negligible compared to the distance of separation so that for calculating force between them they can be considered as point charges) is best given as: …
Q29 A container has two chambers of volumes $V_{1} = 2$ litres and $\dots$
Q30 A particle of mass $m$ is moving around the origin with a constant force $F$ pulling it towards the origin. If Bohr model is used to describe its motion, the radius $r$ of the $n^{\dots}$
Q31 The radius of Martian orbit around the Sun is about $4$ times the radius of the orbit of Mercury. The Martian year is $687$ Earth days. Then which of the following is the length of $1$ year on Mercury? …
Q32 A body weighs $48$ N on the surface of the earth. The gravitational force experienced by the body due to the earth at a height equal to one-third the radius of the earth from its surface is: …
Q33 A wire of resistance $R$ is cut into $8$ equal pieces. From these pieces two equivalent resistances are made by adding four of these together in parallel. Then these two sets are added in series. The net effective resistance of the combination is: …
Q34De-Broglie wavelength of an electron orbiting in the $n = 2$ state of hydrogen atom is close to (Given Bohr radius $= 0.052$ nm):
Q35 An electric dipole with dipole moment $5 \times 1 0^{- 6}$ C m is aligned with the direction of a uniform electric field of magnitude $\dots$
Q36 A constant voltage of $50$ V is maintained between the points A and B of the circuit shown in the figure. The current through the branch CD of the circuit is: …
Q37 A photon and an electron (mass $m$ ) have the same energy $E$ . The ratio $(λ_{p h\dots}$
Q38Which of the following options represent the variation of photoelectric current with property of light shown on the x-axis?
Q39 A sphere of radius $R$ is cut from a larger solid sphere of radius $2 R$ as shown in the figure. The ratio of the moment of inertia of the smaller sphere to that of the rest part of the sphere about the Y-axis is: …
Q40 A full wave rectifier circuit with diodes $D_{1}$ and $D_{\dots}$
Q41 Two gases $A$ and $B$ are filled at the same pressure in separate cylinders with movable pistons of radius $r_{A}$
Q42 A physical quantity $P$ is related to four observations $a$ , $b$ , $c$ and $d$ as follows: $\dots$
Q43 The intensity of transmitted light when a polaroid sheet, placed between two crossed polaroids at $22. 5^{\circ}$ from the polarization axis of one of the polaroids, is ( $I_{\dots}$
Q44 Two identical point masses P and Q, suspended from two separate massless springs of spring constants $k_{1}$ and $k \dots$
Q45 A pipe open at both ends has a fundamental frequency $f$ in air. The pipe is now dipped vertically in a water drum to half of its length. The fundamental frequency of the air column is now equal to: …

NEET 2025

Physics

Chemistry

Biology

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