List of top Physics Questions asked in KEAM

The angle between the linear momentum and angular momentum of a particle in circular motion is
A packet is dropped from a flight ascending with a velocity at height of 10 km. If the packet takes 100 s to reach the ground,^then the velocity of the flight is (Take = 10 ms$^{-2}$ )
Two bulbs 60 W and 100 W designed for voltage 220 V are connected in series across 220 V source. The net power dissipated is
The quantity which has the same dimensions as that of gravitational potential is
The total number of acyclic structural isomers possible for compound with molecular formula $C_4H_{10}O$ is
The torque of a force$\overrightarrow{F} = 2\hat{i} - 3\hat{j} +5\hat{k}$ acting at a point whose position vector $\overrightarrow{r} = 3\hat{i} - 3\hat{j} + 5\hat{k}$about the origin is
In an inelastic collision
The vibrations of a string of length $60\, cm$ fixed at both the ends are represented by the equation $y=2 sin \left(\frac{4\pi x}{15}\right) cos \left(96\pi t\right)$ where $x$ and $y$ are in cm. The maximum number of loops that can be formed in it is
The heart is pumping blood at x kg per unit time, with a constant velocity v. The force required is
A travelling harmonic wave on a string is described by $y$ = 7.5 sin (0.005$x$ + 12$t$) in metre. Its time period in second is
A carpet of mass $m$ made of inextensible material is rolled along its length in the form of a cylinder of radius $r$ and kept on a rough floor. The decrease in the potential energy of the system, when the carpet is unrolled to a radius $\frac{r}{2}$ without sliding is $(g=$ acceleration due to gravity)
The electric potential V at any point $(x, y, z)$ in space is given by $V = 3x^{2}$ where $x, y, z$ are all in metre. The electric field at the point (1 m, 0, 2 m) is
The graph between displacement and time for a particle moving with uniform acceleration is a
The radius of gyration of a solid cylinder of mass $M$ and radius $R$ about its own axis is
The shunt resistance required to allow $4\%$ of the main current through the galvanometer of resistance $48 \, \Omega$ is
The simple harmonic vibrations of two particles are $ y_{1} =5$ sin (100$t$) and $y_{2} =4 $ cos $\left(100t +\frac{\pi}{4}\right).$ The phase difference between them is
The horizontal range is four times the maximum height attained by a projectile. The angle of projection is
Two cars started moving with initial velocities $v$ and $2v$. For the same deceleration, their respective stopping distances are in the ratio
The slope of the tangent drawn on position-time graph at any instant is equal to the instantaneous
The rate of change of current of $10\, A\, s^{ -1}$ in a coil produces an emf of 5 V. Then the self-inductance of the coil in henry is
The range of frequency bands used for television $VHF$ service is
The total electric flux emanating from a closed surface enclosing an $\alpha$-particle (e = electronic charge) is
The speed of sound in a gas of density $\rho$ at a pressure $P$ is proportional to
Two bodies of masses 4 kg and 5 kg are moving with equal momentum. Then the ratio of their respective kinetic energies is
Two batteries of emfs $2\, V$ and $1 \,V$ of internal resistances $1 \Omega$ and $ 2 \, \Omega$ respectively are connected in parallel. The effective emf of the combination is