List of top Questions asked in BITSAT

Among Al₂O₃, SiO₂, P₂O₃ and SO₂ the correct order of acidic strength is:
The correct order of radii is:
Light of wavelength 180 nm ejects photoelectrons from a metal plate of work function 2 eV. If a magnetic field of 5 × 10⁻³ T is applied parallel to the plate, the radius of the path followed by electrons ejected normally with maximum energy is:
The product of atomic weight and specific heat of an element is a constant, approximately 6.4. This law is known as:
1.520 g of hydroxide of a metal on ignition gave 0.995 g of oxide. The equivalent weight of the metal is:
Beryllium and aluminium exhibit similar properties, but the two elements differ in:
An electron in a hydrogen-like atom is in an excited state. It has total energy of -3.4 eV. The kinetic energy and de-Broglie wavelength respectively are:
In a semiconductor diode, the barrier potential offers opposition to:
The output of an OR gate is connected to both inputs of a NAND gate. The combination serves as:
Which one is correct about fission?
If the distance between first maxima and fifth minima of a double slit pattern is 7 mm and the slits are separated by 0.15 mm with the screen 50 cm away, the wavelength of light used is:
The energies of energy levels A, B and C are EA < EB < EC. If the radiations of wavelengths ₁, ₂, ₃ are emitted due to transitions C to B, B to A and C to A respectively, then which relation is correct?
If the energy of a photon is 10 eV, its momentum is:
An electromagnetic wave passes through space and its equation is given by E = E₀ sin(ω t - kx). The energy density of the electromagnetic wave in space is:
A thin convergent glass lens (= 1.5) has a power of +5.0 D. When this lens is immersed in a liquid of refractive index μ, it acts as a divergent lens of focal length 100 cm. The value of μ must be:
A vessel of depth d is half-filled with a liquid of refractive index ₁ and the upper half with a liquid of refractive index ₂. The apparent depth of the vessel seen perpendicularly is:
A metal rod of length 1 m is rotated about one of its ends in a plane perpendicular to a magnetic field of induction 2.5 × 10⁻³Wb/m². If it makes 1800 revolutions per minute, calculate the emf induced between its ends.
If M is the magnetic moment and B is the magnetic field, the torque acting on the magnetic dipole is given by:
A hollow metal sphere of radius 5 cm is charged such that the potential at its surface is 10 V. The potential at a distance of 2 cm from the centre of the sphere is:
If the potential of a capacitor of capacity 6 μF is increased from 10 V to 20 V, the increase in its energy will be:
A charge Q₁ exerts some force on a second charge Q₂. If a third charge Q₃ is brought near, then the force exerted on Q₂ will:
Which of the following expressions corresponds to simple harmonic motion along a straight line, where x is displacement and a,b,c are positive constants?
The fundamental frequency of an open organ pipe is 300 Hz. The first overtone of this pipe has the same frequency as the first overtone of a closed organ pipe. If the speed of sound is 330 m/s, then the length of the closed organ pipe is:
An air bubble of volume v₀ is released by a fish at depth h in a lake. The volume of bubble just before reaching the surface will be:
The molecules of a gas have rms velocity 200 m/s at 27°C. Find rms velocity at 127°C if pressure is constant.