List of top Physics Questions asked in VITEEE, NEET (UG)

In any fission process the ratio (mass of fission products/mass of parent nucleus) is :

An ideal gas heat engine operates in Carnot cycle between 227°C and 127°C. It absorbs 6 x 10⁴ cal of heat at higher temperature. Amount of heat converted to work is:

A stone tied to the end of a string of 1m long is whirled in a horizontal circle with a constant speed. If the stone makes 22 revolutions in 44s, what is the magnitude and direction of acceleration of the stone?

In a circuit, L,C and R are connected in series with an alternating voltage source of frequency f. The current leads the voltage by 45°.The value of C is:

Two vibrating tuning forks produce progressive waves given by y₁=4 sin 500 \(\pi\)t and y₂ =2 sin 506 \(\pi\)t. Number of beats produced per minute is:

Carbon, silicon and germanium atoms have four valence electrons each. Their valence and conduction bands are separated by energy band gaps represented by (Eg)_C , (Eg)_Si  and (Eg)_Ge  respectively. Which one of the following relationships is true in their case?

Choose the only false statement from the following

Two boys are standing at the ends A and B of a ground, where AB=a. The boy at B starts running in a direction perpendicular to AB with velocity v₁. The boy at A starts running simultaneously with velocity v and catches the other boy in a time t, where t is :

Two bodies have their moments of inertia I and 2I respectively about their axis of rotation. If their kinetic energies of rotation are equal, their angular momentum will be in the ratio:

The moment of inertia of a uniform circular disc of radius R and mass M about an axis passing from the edge of the disc and normal to the disc is:

The total energy of an electron in the first excited state of hydrogen is about -3.4eV. Its kinetic energy in this state is:

For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is :

A photosensitive metallic surface has work function, hv₀. If photons of energy 2hv₀ fall on this surface, the electrons come out with a maximum velocity of 4x10⁶ m/s. When the photon energy is increased to 5hv₀, then maximum velocity of photoelectrons will be:

Two batteries,one of emf 18 V and internal resistance 2Ω and the other of emf 12 V and internal resistance 1Ω, are connected as shown.The voltmeter V will record a reading of :

For the network shown in the figure, the value of the current i is:

In Young's double slit experiment intensity at a point is (1/4) of the maximum intensity. Angular position of this point is

If a vector 2î+3ĵ+8 is perpendicular to the vector 4ĵ-4î+α,then the value of α is:

Two boys are standing at the ends A and B of a ground where AB = a. The boy at B starts running in a direction perpendicular to AB with velocity $v_1$. The boy at A starts running simultaneously with velocity v and catches the other in a time t, where t is

A bomb of mass 30kg at rest explodes into two pieces of masses 18kg and 12kg. The velocity of 18kg mass is 6ms^-1. The kinetic energy of the other mass is

A ball of mass $2 \,kg$ and another of mass $4\, kg$ are dropped together from a $60$ feet tall building. After a fall of $30$ feet each towards earth, their respective kinetic energies will be in the ratio of

Two springs of spring constants $ k_1 $ and $ k_2$ are joined in series. The effective spring constant of the combination is given by

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