List of top Physics Questions asked in BITSAT

The time period of a satellite of earth is $5$ hours. If the separation between the earth and the satellite is increased to $4$ times the previous value, the new time period will become

Two bodies $A$ and $B$ are placed in an evacuated vessel maintained at a temperature of $27^{\circ} C$. The temperature of $A$ is $327^{\circ} C$ and that of $B$ is $227^{\circ} C$. The ratio of heat loss from $A$ and $B$ is about

Kepler?? second law regarding constancy of areal velocity of a planet is a consequence of the law of conservation of

Which one of the following graphs represents the variation of electric field with distance $r$ from the center of a charged spherical conductor of radius $R$?

The amplitude of a damped oscillator becomes $\left(\frac{1}{3}\right)rd$ in $2$ seconds. If its amplitude after $6$ seconds is $\frac{1}{n}$ times the original amplitude, the value of $n$ is

Twelve resistors each of resistance $16\,\Omega$ are connected in the circuit as shown. The net resistance between $A$ and $B$ is

If $\vec{E}$ and $\vec{B}$ are the electric and magnetic field vectors of e.m. waves then the direction of propagation of e.m. wave is along the direction of

If a stone of mass $0.05 \,kg$ is thrown out a window of a train moving at a constant speed of $100\, km/h$ then magnitude of the net force acting on the stone is

Give $\vec{P} = 2 \hat{i} - 3 \hat{j} + 4 \hat {k}$ and $\vec{Q} = \hat{j} - 2 \hat {k} $ The magnitude of their resultant is.

At a place, if the earth's horizontal and vertical components of magnetic fields are equal, then the angle of dip will be

A point object $O$ is placed in front of a glass rod having spherical end of radius of curvature $30\, cm$. The image would be formed at .

The acceleration due to gravity on the surface of the moon is $1/6$ that on the surface of earth and the diameter of the moon is one-fourth that of earth. The ratio of escape velocities on earth and moon will be

The dipole moment of the given charge distribution is:

$10$ forks are arranged in increasing order of frequency in such a way that any two nearest tuning forks produce $4$ beats/sec. The highest frequency is twice of the lowest. Possible highest and the lowest frequencies (in $Hz$ ) are

A body of mass $M$ hits normally a rigid wall with velocity $V$ and bounces back with the same velocity. The impulse experienced by the body is

In the circuit shown, the symbols have their usual meanings. The cell has emf $E$. $X$ is initially joined to $Y$ for a long time. Then, $X$ is joined to $Z$. The maximum charge on $C$ at any later time will be

Two long parallel wires carry equal current $i$ flowing in the same direction are at a distance $2d$ apart. The magnetic field $B$ at a point lying on the perpendicular line joining the wires and at a distance $x$ from the midpoint is -

Electric potential at any point is $V = - 5x + 3y + \sqrt {15 z}, $then the magnitude of the electric field is

The variation of magnetic susceptibility $(x)$ with temperature for a diamagnetic substance is best represented by

The ratio of the specific heats of a gas is $\frac{C_p}{C_v} = 1.66$, then the gas may be

What is the voltage gain in a common emitter amplifier, where input resistance is $3 \,\Omega$ and load resistance $24\,\Omega \, \beta = 0.6 $?

Infinite number of masses, each $1 \,kg$ are placed along the $x-$ axis at $x=\pm 1 m, \pm 2 m, \pm 4 m, \pm 8 m, \pm 16 \,m, \ldots$ the magnitude of the resultant gravitational potential in terms of gravitational constant $G$ at the origin $(x=0)$ is

A particle of mass $m$ executes simple harmonic motion with amplitude a and frequency $n$. The average kinetic energy during its motion from the position of equilibrium to the end is.

After two hours, one-sixteenth of the starting amount of a certain radioactive isotope remained undecayed. The half life of the isotope is