List of top Physics Questions asked in GUJCET

If an object moves with a velocity of 1 km/s and has a mass of 0.033 kg, calculate the de Broglie wavelength of the object.
In the diagram of two point charges \( +q \) and \( -q \), the potential at point A is given by the formula. Calculate the potential at point A if the distance between the charges is \( 2l \).
What is the most commonly used energy source in everyday life?
What is the current flowing in the circuit shown? (The resistor is 100$Ω$, and the voltage is +6V and +5V).
The angle \( \phi \) is the angle of elevation from the horizontal to the object. The angle of elevation of the object from the point of observation is \( 1^\circ \). The horizontal distance between the object and the observer is given as \( d \). What is the expression for the distance in terms of \( \phi \)?
Which isotope is represented by \( 12_6C \)?
A long solenoid with a length of 0.15 m is connected to a current of 30 A. What will be the magnetic flux produced by the solenoid?
In the nuclear fusion reaction \( 4^1H + 2e^- \to 2v + 6\gamma + \), what is the missing product?
In a resistor network with resistance \( R \), what is the ratio of the total resistance when the resistances are combined in series and parallel?
In a diagram where the electric field is plotted against distance, what will the graph of the magnetic field \( B \) with respect to the distance \( r \) look like?
In an AC circuit, the EMF is 6 V. What will be the value of the current?
A resistor of value 200Ω and capacitance 15μF are connected in series. What is the total time constant of the circuit?
The energy of a photon in a hydrogen atom is \( -13.6 \, \text{eV} \). What are the possible energies of the electron in other levels of the hydrogen atom?
A 12W resistor is connected to a battery of 24V. What is the current through the resistor?
The figure shows the arrangement of a magnetic dipole. What is the behavior of the magnetic field?
In an LCR circuit, the current is calculated to be 141.4% of the initial value. What is the resonance condition for this circuit?
In a double-slit experiment, the distance between the slits is 0.54 mm and the distance from the screen is 1.8m. If the distance between the adjacent maxima is 1.2 cm, then the wavelength of the light used in the experiment is:
If the speed of light in a medium is \( 200 \times 10^8 \, \text{cm/s} \), calculate the refractive index for this medium given that \( c = 3 \times 10^{10} \, \text{m/s} \).
A long solenoid has a magnetic field of strength \( 3 \times 10^{-7} \, \text{T} \) and a length of 1 m. The current flowing through it is 1 A. What is the magnetic dipole moment?
For a head-on collision, calculate the total energy when the two bodies collide at a distance of 2 fm (femtometer).
The energy of a photon is 13.6 eV. Calculate the wavelength of the photon if the energy is \( 5.3 \times 10^{-11} \, \text{m} \).
The energy of a photon is \( 6.63 \times 10^{-34} \, \text{Js} \). Calculate the frequency of the photon in the visible light spectrum.
Two point charges are placed on either side of the system, and the electric field is applied with a voltage of 2V. If the electric potential is the same, what will be the interaction between the two charges \( P \) and \( Q \)?
If a coil is connected to an AC circuit, what will be the phase difference between the voltage and current in the circuit?
In the diffraction experiment, the angle of diffraction for the first order is \( \theta \). The corresponding wavelength of light is: