List of top Physics Questions asked in JKCET

A convex lens is dipped in a liquid whose refractive index is equal to the refractive index of the lens. Then what is its focal length?
Which of the following cannot travel in vacuum?
Which type of transmission line accepts the Transverse electromagnetic wave?
Which of the following can be used to produce a propagating electromagnetic wave?
_______ the resonant frequency, the current in the capacitor leads the voltage in a series RLC circuit.
Find the force due to a current element of length 2 cm and flux density of 12 tesla. The current through the element will be 5A.
How is a galvanometer converted into an ammeter?
Which of the following statement is valid?
A steady current flows in a metallic conductor of non-uniform cross-section. Which of the following quantities is constant along the conductor?
If a coil carrying current is placed in a uniform magnetic field, then
36 cells, each of emf 4V are connected in series and kept in a box. The combination shows an emf of 88V on the outside. Calculate the number of cells reversed.
If the current $ I $ flows through the coil of radius $ r $, then the field at the center of the circular coil is
Resistor Color codes were developed by:
X is a substance which does not allow the flow of charges through it but permits them to exert electrostatic forces on one another through it. Identify X.
Two charges $Q_1$ and $-Q_2$ are separated by a distance $r$. The charges attract each other with a force $F$. What is the new force between the charges if the distance is cut to one-fourth and the magnitude of each charge is doubled?
What happens when a glass rod is rubbed with silk?
What is meant by mean free path?
The property which differentiates two kinds of charges is called
The opposition offered by the electrolyte of the cell to the flow of current through itself is known as .
Which of the following is not a gas law?
The equation $ pv = RT $ is used for ideal gases. The right equation for real gases is van der Waals equation. What is the correct formula for the van der Waals equation? Where $\frac{a}{v^2}$ is the force of cohesion and $ b $ is the coefficient related to volume of molecules.
What are the total degrees of freedom if the number of species are 8, total streams are 3, stream temperature 3, stream pressure 3 and heat released 1, extent of reaction 2?
Which of the following has a mole ratio 1:1?
If the Earth loses its gravity, then for a body
The slope of the stress-strain curve in the elastic deformation region is