List of top Physics Questions asked in NEET (UG)

In India electricity is supplied for domestic use at 220 V. It is supplied at 110 V in the USA. If the resistance of a 60W bulb for use in India is R, The resistance of a 60W bulb for use in the USA will be
A bullet of mass 2 g is having a charge of 2 µC. Through what potential difference must it be accelerated, starting from rest, to acquire a speed of 10 m/s?
The equation of state for 5g of oxygen at a pressure P and temperature T, when occupying a volume V, will be :-
If λm denotes the wavelength at which the radioactive emission from a black body at a temperature T K is maximum, then
The ratio of the radii of gyration of a circular disc about a tangential axis in the plane of the disc and of a circular ring of the same radius about a tangential axis in the plane of the ring is
The half-life of radium is about 1600 years. Of 100g of radium existing now, 25g will remain undecayed after
MP denotes the mass of a proton and Mn that of a neutron. A given nucleus, of binding energy B, contains Z protons and N neutrons. The mass M(N, Z) of the nucleus is given by (c is the velocity of light )
A telescope has an objective lens of 10 cm diameter and is situated at a distance of one kilometer from two objects. The minimum distance between these two objects, which can be resolved by the telescope, when the mean wavelength of light is 5000 Å, is of the order of

The phase difference between two waves, represented by y1 = 10–6 sin {100t + (\(\frac{x}{50}\)) + 0.5}m y2 = 10–6 cos{100t + (\(\frac{x}{50}\))}m Where X is expressed in meters and t is expressed in seconds, is approximately

A block of mass m is placed on a smooth wedge of inclination θ. The whole system is accelerated horizontally so that the block does not slip on the wedge. The force exerted by the wedge on the block (g is acceleration due to gravity) will be

Energy E of a hydrogen atom with principal quantum number n is given by E = \(-\frac{13.6}{n^2}eV\). The energy of a photon ejected when the electron jumps from the n = 3 state to the n = 2 states of hydrogen is approximately

A wheel having moment of inertia 2 kg–m2 about its vertical axis, rotates at the rate of 60 rpm about the axis. The torque which can stop the wheel's rotation in one minute would be 
If |A×B| = 3 A.B then the value of |A + B| is
The coefficient of static friction, µs, between block A of mass 2 kg and the table as shown in the figure is 0.2. What would be the maximum mass value of block B so that the two blocks do not move ? The string and the pulley are assumed to be smooth and massless.
block A of mass 2 kg and the table
In a p–n junction photocell, the value of the photo electromotive force produced by monochromatic light is proportional to
The Bohr model of atoms
The output of OR gate is 1
A coil of 40 henry inductance is connected in series with a resistance of 8 ohms and the combination is joined to the terminals of a 2-volt battery. The time constant of the circuit is
One mole of an ideal gas at an initial temperature of T K does 6 R joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is 35 , the final temperature of gas will be
A battery is charged at a potential of 15V for 8 hours when the current flowing is 10A. The battery on discharge supplies a current of 5A for 15 hours. The mean terminal voltage during discharges is 14 V. The "Watt-hour" efficiency of the battery is

Five equal resistances each of resistance R are connected as shown in the Figure. A battery of V volts is connected between A and B. The current flowing in AFCEB will be

A battery of V volts is connected between A and B

A galvanometer of 50 ohm resistance has 25 divisions. A current of 4 × 10–4 ampere gives a deflection of one division. To convert this galvanometer into a voltmeter having a range of 25 volts, it should be connected with a resistance of
A 6 volt battery is connected to the terminals of a three metre long wire of uniform thickness and resistance of 100 ohm. The difference of potential between two points on the wire separated by a distance of 50 cm will be:
Resistance $n$, each of $r$ ohm, when connected in parallel give an equivalent resistance of $R$ ohm. If these resistances were connected in series, the combination would have a resistance in ohms, equal to

The magnetic flux through a circuit of resistance R changes by an amount Δϕ in a time Δt. Then the total quantity of electric charge Q that passes any point in the circuit during the time Δt is represented by