List of top Physics Questions asked in BITSAT

A ball whose density is $0.4 \times 10^3 \, kg/m^3$ falls into water from a height of $9\,cm$. To what depth does the ball sink?

A wave has velocity $v$ in medium $P$ and velocity $2v$ in medium $Q$. If the wave is incident in medium $P$ at an angle of $30^{\circ}$, then the angle of refraction will be

The displacement of a charge $Q$ in the electric field $E=e_{1} 1+e_{2} j+e_{3} k$ is $r=a i+b j$. The work done is

If average velocity becomes $4$ times then t-hat will be the effect on rms velocity at that Temperature?

At what point of a projectile motion, acceleration and velocity are perpendicular to each other ?

A cell of constant emf first connected to a resistance $R_1$ and then connected to a resistance $R_2$. If power delivered in both cases is same then the internal resistance of the cell is :

A can is taken out from a refrigerator at $0^{\circ} C$. The atmospheric temperature is $25^{\circ}C$. If $t_1$ is the time taken to heat from $0^{\circ} C$ to $5^{\circ} C$ and $t_2$ is the time taken from $10^{\circ} C$ to $15^{\circ}C$, then :

Initially two gas samples $1$ and $2$ are at the same condition. The volume of the two are halved, one isothermally and the other adiabatically. What is the relation between the final pressure $P_1$ and $ P_2$ ?

A rocket of mass $1000\, kg$ is exhaust gases at a rate of $4\, kg/s$ with a velocity $3000\, m/s$. The thrust developed on the rocket is :

Energy gas between valence band and conduction band of a semiconductor is :

A body of mass $5\, kg$ is suspended by a spring balance on an inclined plane as shown in figure. The spring balance measure :

Angular momentum is conserved :

An object is placed at a distance $20\, cm$ from the pole of a convex mirror of focal length $20\, cm$. The image is produced at :

A proton moving vertically downward enters a magnetic field pointing towards north. In which direction proton will deflect?

From the top of a tower of two stones, whose masses are in the ratio $1 : 2$ are thrown on straight up with an initial speed $u$ and the second straight down with the same speed $u$. Then neglecting air resistance :

The induction coil works on the principle of :

Electron of mass $m$ and charge $q$ is travelling with a speed $v$ along a circular path of radius $r$ at right angles to a uniform magnetic field of intensity $B$. If the speed of the electron is doubled and the magnetic field is halved the resulting path would have a radius:

The disc of a siren containing $60$ holes rotates at a constant speed of $360\, rpm$. The emitted sound is in unison with a tuning fork of frequency :

If a liquid does not wet glass, its angle of contact is :

An electron moves at right angle to a magnetic field of $1.5 \times 10^{-2} T$ with a speed of $6 \times 10^{7} m / s$. If the specific charge of the electron is $1.7 \times 10^{11} C / kg$. The radius of the circular nath will he

Infrared radiation was discovered in $1800$ by :

The work done in carrying a charge $q$ once round a circle of radius $r$ with a charge $Q$ at the centre is :

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$^{\circ}$. The value of C is

The wave theory of light, in its original form, was first postulated by-

A particle on the trough of a wave at any instant will come to the mean position after a time : ($T =$ time period)