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NEET (UG)
>
Physics
List of top Physics Questions asked in NEET (UG)
A metallic bar of Young’s modulus, 0.5 × 10
11
N m
–2
and coefficient of linear thermal expansion 10
–5
°C
–1
, length 1 m and area of cross-section 10
–3
m
2
is heated from 0°C to 100°C without expansion or bending. The compressive force developed in it is :
NEET (UG) - 2024
NEET (UG)
Physics
Youngs double slit experiment
A light ray enters through a right angled prism at point P with the angle of incidence 30° as shown in figure. It travels through the prism parallel to its base BC and emerges along the face AC. The refractive index of the prism is :
NEET (UG) - 2024
NEET (UG)
Physics
Refraction Through A Prism
\(^{290}_{82}X\stackrel{\alpha}{\rightarrow}Y\stackrel{e^+}{\rightarrow}Z\stackrel{\beta^-}{\rightarrow}P\stackrel{e^-}{\rightarrow}Q\)
In the nuclear emission stated above, the mass number and atomic number of the product Q respectively, are :
NEET (UG) - 2024
NEET (UG)
Physics
Nuclear physics
The quantities which have the same dimensions as those of solid angle are :
NEET (UG) - 2024
NEET (UG)
Physics
Stress and strain
A force defined by F = αt
2
+ βt acts on a particle at a given time t. The factor which is dimensionless, if α and β are constants, is :
NEET (UG) - 2024
NEET (UG)
Physics
Force and Mass
Two heaters A and B have power rating of 1 kW and 2 kW, respectively. Those two are first connected in series and then in parallel to a fixed power source. The ratio of power outputs for these two cases is :
NEET (UG) - 2024
NEET (UG)
Physics
work, energy and power
Match List I with List II.
List I
(Spectral Lines of Hydrogen for transitions from)
List II
(Wavelength (nm))
A.
n
2
= 3 to n
1
= 2
I.
410.2
B.
n
2
= 4 to n
1
= 2
II.
434.1
C.
n
2
= 5 to n
1
= 2
III.
656.3
D.
n
2
= 6 to n
1
= 2
IV.
486.1
Choose the correct answer from the options given below:
NEET (UG) - 2024
NEET (UG)
Physics
Bohr’s Model for Hydrogen Atom
A thin flat circular disc of radius 4.5 cm is placed gently over the surface of water. If surface tension of water is 0.07 Nm
-1
, then the excess force required to take it away from the surface is :
NEET (UG) - 2024
NEET (UG)
Physics
Surface tension
Choose the correct circuit which can achieve the bridge balance.
NEET (UG) - 2024
NEET (UG)
Physics
Digital Electronics and Logic Gates
A 10 µF capacitor is connected to a 210 V, 50 Hz source as shown in figure. The peak current in the circuit is nearly (π = 3.14) :
:
NEET (UG) - 2024
NEET (UG)
Physics
Capacitors and Capacitance
A thermodynamic system is taken through the cycle abcda. The work done by the gas along the path bc is :
NEET (UG) - 2024
NEET (UG)
Physics
Thermodynamics
The maximum elongation of a steel wire of 1 m length if the elastic limit of steel and its Young’s modulus, respectively, are 8 × 10
8
N m
–2
and 2 × 10
11
N m
–2
, is :
NEET (UG) - 2024
NEET (UG)
Physics
Youngs double slit experiment
Two bodies A and B of same mass undergo completely inelastic one dimensional collision. The body A moves with velocity v
1
while body B is at rest before collision. The velocity of the system after collision is v
2
. The ratio v
1
: v
2
is :
NEET (UG) - 2024
NEET (UG)
Physics
Average Velocity and Instantaneous Velocity
A particle moving with uniform speed in a circular path maintains :
NEET (UG) - 2024
NEET (UG)
Physics
Uniform Circular Motion
An iron bar of length L has magnetic moment M. It is bent at the middle of its length such that the two arms make an angle 60° with each other. The magnetic moment of this new magnet is :
NEET (UG) - 2024
NEET (UG)
Physics
Magnetic Field
The velocity (v) - time (t) plot of the motion of a body is shown below :
The acceleration (a) - time(t) graph that best suits this motion is :
NEET (UG) - 2024
NEET (UG)
Physics
speed and velocity
In an ideal transformer, the turns ratio is
\(N_p/N_s\)
=1/2 .The ratio
\(V_S:V_P\)
is equal to (the symbols carry their usual meaning):
NEET (UG) - 2024
NEET (UG)
Physics
Transformers
A wheel of a bullock cart is rolling on a level road as shown in the figure below. If its linear speed is v in the direction shown, which one of the following options is correct (P and Q are any highest and lowest points on the wheel, respectively) ?
NEET (UG) - 2024
NEET (UG)
Physics
speed and velocity
At any instant of time t, the displacement of any particle is given by 2t – 1 (SI unit) under the influence of force of 5N. The value of instantaneous power is (in SI unit):
NEET (UG) - 2024
NEET (UG)
Physics
work, energy and power
If the monochromatic source in Young's double slit experiment is replaced by white light, then coloured fringes. (3) there will be a central bright white fringe surrounded by a few coloured fringes. (4) all bright fringes will be of equal width.
NEET (UG) - 2024
NEET (UG)
Physics
Youngs double slit experiment
In the above diagram, a strong bar magnet is moving towards solenoid-2 from solenoid-1. The direction of induced current in solenoid-1 and that in solenoid-2, respectively, are through the directions :
NEET (UG) - 2024
NEET (UG)
Physics
Solenoids and Toroids
A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to :
A. hold the sheet there if it is magnetic.
B. hold the sheet there if it is non-magnetic.
C. move the sheet away from the pole with uniform velocity if it is conducting.
D. move the sheet away from the pole with uniform velocity if it is both, non-conducting and non-polar.
Choose the correct statement(s) from the options given below :
NEET (UG) - 2024
NEET (UG)
Physics
Magnetic Field
A horizontal force 10 N is applied to a block 4 as shown in figure. The mass of blocks A and B are 2 kg and 3 kg, respectively. The blocks slide over a frictionless surface. The force exerted by block A on block B is:
NEET (UG) - 2024
NEET (UG)
Physics
Friction
The output (Y) of the given logic gate is similar to the output of an/a :
NEET (UG) - 2024
NEET (UG)
Physics
Digital Electronics and Logic Gates
If the mass of the bob in a simple pendulum is increased to thrice its original mass and its length is made half its original length, then the new time period of oscillation is
\(\frac{x}{2}\)
times its original time period. Then the value of x is :
NEET (UG) - 2024
NEET (UG)
Physics
Pendulums
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