List of top Physics Questions asked in BITSAT

A mica slit of thickness t and refractive index \( \mu \) is introduced in the ray from the first source \( S_1 \). By how much distance of fringes pattern will be displaced?

In a Young's double slit experiment the angular width of a fringe formed on a distant screen is \( 1^\circ \). The wavelength of the light used is \( 6280 \, \text{Å} \). What is the distance between the two coherent sources?

If the total binding energies of \( ^{235}U \) and \( ^{233}U \) nuclei are 2.22, 28.3, 392 and 1786 MeV respectively, identify the most stable nucleus of the following.

If \( m \) is magnetic moment and \( B \) is the magnetic field, then the torque is given by:

Magnetic moment of bar magnet is \( M \). The work done to turn the magnet by 90° of magnet in direction of magnetic field \( B \) will be:

The laws of electromagnetic induction have been used in the construction of a:

The impedance of a circuit consists of 3 \( \Omega \) resistance and 4 \( \Omega \) reactance. The power factor of the circuit is:

The range of the particle when launched at an angle of 15° with the horizontal is 1.5 km. What is the range of the projectile when launched at an angle of 45° to the horizontal?

The electric field intensity just sufficient to balance the earth’s gravitational attraction on an electron will be:

In a region of space having a uniform electric field \( E \), a hemispherical bowl of radius \( r \) is placed. The electric flux \( \Phi \) through the bowl is:

Two capacitors \( C_1 \) and \( C_2 \) are charged to 120 V and 200 V respectively. It is found that by connecting them together the potential on each one can be made zero. Then:

A sound source is moving towards a stationary listener with \( \frac{1}{10} \)th of the speed of sound. The ratio of apparent to read frequency is:

The transverse displacement \( y(x, t) \) of a wave on a string is given by \( y(x,t) = e^{-(x^2 + t^2)} \sin(kx - \omega t) \). This represents a:

For an isothermal expansion of a perfect gas, the value of \( \frac{\Delta P}{P} \) is equal to:

Which of the following process is possible according to the first law of thermodynamics?

For a gas if ratio of specific heats at constant pressure and volume is \( \gamma \), then value of degrees of freedom is:

The average translational kinetic energy of \( O_2 \) (molar mass 32) molecules at a particular temperature is 0.048 eV. The translational kinetic energy of \( N_2 \) (molar mass 28) molecules in eV at the same temperature is:

One end of a long metallic wire of length \( L \) tied to the ceiling. The other end is tied with a massless spring of spring constant \( K \). A mass hangs freely from the free end of the spring. The area of cross section and the Young’s modulus of the wire are \( A \) and \( Y \) respectively. If the mass slightly pulled down and released, it will oscillate with a time period \( T \) equal to:

A solid body of constant heat capacity 1 J/°C is being heated by keeping it in contact with reservoirs in two ways:

If the radius of the earth were to shrink by one percent, its mass remaining the same, the value of \( g \) on the earth’s surface would:

An ice block floats in a liquid whose density is less than water. A part of block is outside the liquid. When whole of ice has melted, the liquid level will:

The Young's modulus of a perfectly rigid body is:

A large drop of oil (density 0.8 g/cm³ and viscosity \( \eta_0 \)) floats up through a column of another liquid (density 1.2 g/cm³ and viscosity \( \eta_L \)). Assuming that the two liquids do not mix, the velocity with which the oil drop rises will depend on:

A man of mass 100 kg is standing on a platform of mass 200 kg, which is kept on a smooth ice surface. If the man starts moving on the platform with a speed 30 m/sec relative to the platform, calculate with what velocity relative to the ice the platform will recoil?

If the unit of force and length be each increased by four times, then the unit of energy is increased by: