List of top Physics Questions asked in GUJCET

The nuclides of $^{197}_{79}\mathrm{Au}$ and $^{196}_{80}\mathrm{Hg}$ are called ______ of each other
In a Young's double slit experiment, the slits are separated by 0.2 mm and placed 2.0 m away. The distance between the central bright fringe and the first bright fringe (fringe width) is measured to be 1.5 cm. Determine the wavelength of light used in the experiment.
Out of the following physical quantities which quantity has the same unit as that of Planck's constant?
The relation between the wavelength of electromagnetic radiation ($\lambda$) and de Broglie wavelength of its quantum (photon) ($\lambda'$) is ______.
The photoelectric cut-off voltage in a certain experiment is 1.5 V. The kinetic energy of photoelectrons emitted will be ______.
In photoelectric effect the graph of stopping potential ($V_0$) versus frequency ($\nu$) is a straight line. The slope of this graph is ______.
According to Huygens principle the phase difference between oscillations of any two particles on a same wave front is ______ rad.
If the refractive index of a prism with small prism angle is 1.6 and angle of minimum deviation is 2.4. Then prism angle of prism is ______.
Find the value of angle of emergence for a emergent ray from the prism in the figure given below (assume a ray entering a $60^\circ$ equilateral prism at a specific angle). (refractive index $\mu = \sqrt{3}$ and air $\mu = 1$).
Two thin convex lenses of focal length $f_1$ and $f_2$ are placed in contact with each other. The equivalent power of the lens combination is ______.
If in compound microscope objective with focal length 1.0 cm, eyepiece with focal length 2.0 cm, tube length of 20 cm and near point for an observer is 25 cm, the value of magnification will be ______.
An object is placed at 10 cm in front of a concave mirror of focal length 5 cm. The image formed will be ______.
If wavelengths of visible rays, microwaves and X-rays are $\lambda_v$, $\lambda_m$ and $\lambda_x$ respectively. Then out of the following which relation is correct one?
A charged particle oscillates about its mean equilibrium position with a frequency of $8 \times 10^9$ Hz. What is the frequency of the electromagnetic waves produced by the oscillator?
In an ideal step up transformer, the number of turns in primary coil and secondary coil are 100 and 200 respectively. If output current is found to be 5A, then input current will be ______.
A charged 30 $\mu$F capacitor is connected to a 27 mH inductor. What is the angular frequency of free oscillations of the circuit?
A 15.0 $\mu$F capacitor is connected to a 220 V, 50 Hz source. Then capacitive reactance of the circuit is ______ $\Omega$.
A coil has $N$ turns and current passes through it is $I$ ampere then we obtain $L$ of self inductance. Now if current is made doubled then new self inductance be ______ H.
The dimensional formula of $\frac{B^2}{2\mu_0}$ is ______.
Two concentric circular coils, one of small radius $r_1$ and the other of large radius $r_2$, such that $r_1 \ll r_2$, are placed co-axially with centres coinciding. The mutual inductance $M$ of the arrangement is proportional to ______.
The magnetic susceptibility $\chi$ for superconductors is ______.
A closely wound solenoid of 800 turns and area of cross section $2.5 \times 10^{-4}$ m$^2$ can carry a current of 3.0 A. The magnetic moment associated with it is ______.
A charged particle having charge $q$ is moving perpendicularly to the uniform magnetic field with linear speed $v$ on a circular path of radius $R$. The periodic time of revolution of a particle ______.
A horizontal overhead power line carries a current of 90 A in east to west direction. What is the magnitude and direction of the magnetic field due to the current 1.2 m above the line?
In the moving coil galvanometer, if number of turns in the coil is doubled, then the current sensitivity ______ and the voltage sensitivity ______.