List of top Physics Questions asked in NEET (UG)

Motion of a particle is given by equation \(S=(3t^3+7t^2+14t+8)\ m\), The value of acceleration of the particle at \(t=1 \ sec\) is:

A charge having \(q/m\) equal to \(10^8 \ c/kg\) and with velocity \(3×10^5 \ m/s \) enters into a uniform magnetic field \(B=0.3 \ tesla\) at an angle \(30º\) with direction of field. Then radius of curvature will be:

Two stationary sources each emitting waves of wave length \(λ\). An observer moves from one source to other with velocity \(u\). Then number of beats heard by him:

A string is cut into three parts, having fundamental frequencies n1, n2, and n3 respectively. Then original fundamental frequency ‘n’ related by the expression as:

The equations of two waves given as \(x=acos\ (ωt + δ)\) and \(y=a cos\ (ωt+α)\), Where \(δ=α+\frac \pi 2\), then resultant wave represent:

The relation between  \(λ\) and \(T_\frac 12\)is: 
\((T_\frac 12 = half\  life, \ λ→decay\  constant)\)
From the following diode circuit. Which diode in forward biased condition:
Given truth table is correct for:
ABY
111
100
010
000
For the adjoining diagram, a triangular lamina is shown the correct relation between \(I_1\), \(I_2\) & \(I_3\) is:
(\(I\) – moment of inertia)
triangular lamina
Two spherical bob of masses \(M_A\) and \(M_B\) are hung vertically from two strings of length \(l_A\) and \(l_B\) respectively. They are executing SHM with frequency relation  \(f_A=2f_B\), Then:
Nuclear–Fission is best explained by:
Who evaluated the mass of electron indirectly with help of charge:
Two bulbs of  \((40W,\ 200V)\) and \((100 W,\ 200V)\). Then correct relation for their resistance:
The ratio  \((W/Q)\) for a carnot–engine is \(\frac 16\), Now the temperature of sink is reduced by  \(62 \ ºC\), then this ratio becomes twice, therefore the initial temperature of the sink and source are respectively:
The potentiometer is best for measuring voltage,as:
Which species does not exhibits paramagnetism:
A body is moved along a straight line by a machine delivering constant power. The distance moved by the body in time t is proportional to:

For the given reaction, the particle X is: 6C11→5B11+β++X

A bubble in glass slab $ (\mu = 1.5) $ when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is
For a planet having mass equal to mass of the earth but radius is one fourth of radius of the earth. Then escape velocity for this planet will be
When an electron does transition from $n = 4$ to $n = 2$, then emitted line spectrum will be
A mass is performing vertical circular motion (see figure). The average velocity of the particle is increased, then at which point the string will break :
The value of quality factor is
Two masses as shown in the figure are suspended from a massless pulley. The acceleration of the system when masses are left free is
Gravitational force is required for