List of top Questions asked in NEET (UG)- 2024

A box of mass 5 kg is pulled by a cord, up along a frictionless plane inclined at 30° with the horizontal. The tension in the cord is 30 N. The acceleration of the box is (Take g = 10 m s^–2)

In an electrical circuit, the voltage is measured as V = (200 ± 4) volt and the current is measured as I = (20 ± 0.2) A. The value of the resistance is:

If the ratio of relative permeability and relative permittivity of a uniform medium is $1 : 4$. The ratio of the magnitudes of electric field intensity ($E$) to the magnetic field intensity ($H$) of an EM wave propagating in that medium is:
\[ \text{Given that } \sqrt{\frac{\mu_0}{\epsilon_0}} = 120 \pi : \]

A step up transformer is connected to an ac mains supply of 220 V to operate at 11000 V, 88 watt. The current in the secondary circuit, ignoring the power loss in the transformer, is

The value of electric potential at a distance of 9 cm from the point charge $4 \times 10^{-7} \, \text{C}$ is
\[ \text{Given} \, \frac{1}{4 \pi \epsilon_0} = 9 \times 10^9 \, \text{N m}^2 \text{C}^{-2} \]

A particle is moving along x-axis with its position ($ x $) varying with time ($ t $) as:
$ x = \alpha t^4 + \beta t^2 + \gamma t + \delta. $
The ratio of its initial velocity to its initial acceleration, respectively, is:

The displacement of a travelling wave $ y = C \sin \left( \frac{2\pi}{\lambda} (at - x) \right) $, where $ t $ is time, $ x $ is distance and $ \lambda $ is the wavelength, all in S.I. units. Then the frequency of

The radius of gyration of a solid sphere of mass $5 \, \text{kg}$ about $XY$ is $5 \, \text{m}$ as shown in figure.
The radius of the sphere is $\frac{5x}{\sqrt{7}} \, \text{m}$, then the value of $x$ is:

Which one of the following is not a limitation of ecological pyramids?

An object of mass 100 kg falls from point A to B as shown in figure. The change in its weight, corrected to the nearest integer is ($R_E$ is the radius of the earth):

The I-V characteristics shown above are exhibited by a:

Select the correct statements among the following:
A. Slow neutrons can cause fission in $ \frac{235}{92}U $ more effectively than fast neutrons.
B. $ \alpha $-rays are Helium nuclei.
C. $ \beta $-rays are fast moving electrons or positrons.
D. $ \gamma $-rays are electromagnetic radiations with wavelengths larger than X-rays.
Choose the answer from the options given below:

The capacitance of a capacitor with charge q and a potential difference V depends on :

Given below are two statements:
Statement 1: Image formation needs regular reflection and/or refraction.
Statement 2: The variety in colour of objects we see around us is due to the constituent colours of the light incident on them.
In the light of the above statements, choose the most appropriate answer from the options given below :

The magnetic moment of an iron bar is M. It is now bent in such a way that it forms an arc section of a circle subtending an angle of 60° at the centre. The magnetic moment of this arc section is

A uniform metal wire of length $l$ has 10 Ω resistance. Now this wire is stretched to a length $2l $ and then bent to form a perfect circle. The equivalent resistance across any arbitrary diameter of that circle is :

The given circuit shows a uniform straight wire AB of 40 cm length fixed at both ends. In order to get zero reading in the galvanometer G, the free end of J is to be placed from B at:

According to the law of equipartition of energy, the number of vibrational modes of a polyatomic gas of constant $\gamma = \frac{C_P}{C_V}$ is ($C_P$ where $C_V$ are the specific heat capacities of the gas at constant pressure and constant volume, respectively):

The spectral series which corresponds to the electronic transition from the levels n₂ = 5, 6,… to the level n₁= 4 is

The output Y for the inputs A and B of the given logic circuit is :

Given below are two statements: One is labelled as Assertion A and the other is labelled as Reason R.
Assertion A: Houses made of concrete roofs overlaid with foam keep the room hotter during summer.
Reason R: The layer of foam insulation prohibits heat transfer, as it contains air pockets.
In the light of the above statements, choose the correct answer from the options given below.

A particle executing simple harmonic motion with amplitude A has the same potential and kinetic energies at the displacement

The steady state current in the circuit shown below is :

Match List-I with List-II :

List - I(Block/group in periodic table)	List - II(Element)
(A) Lanthanoid	(I) Ce
(B) d-block element	(II) As
(C) p-block element	(III) Cs
(D) s-block element	(IV) Mn

Identify the correct answer from the options given below :

1 gram of sodium hydroxide was treated with 25 ml. of 0.75 M HCI solution, the mass of sodium hydroxide left unreacted is equal to :