List of top Physics Questions asked in JKCET

The work done by a given force on a body depends only on
Why there are two propellers in a helicopter ?
Two small charged spheres have charges of $ 2 \times 10^{-7}\, C $ and $ 3 \times 10^{-7}C $ . They are placed $ 30\,cm $ apart in air. What is the force between them ?
Nucleons are a collection of
What is lateral shift with respect to optics ?
The resistance of a conductor does not depend on
If the mains voltage is $ 230\,V $ then the peak voltage approximately is
A system has two charges $ q_A = 2.5 \times 10^{-7}C $ and $ q_B = -2.5 \times 10^{-7}C $ located at points $ A : (0, 0,- 15 \,cm) $ and $ B : (0, 0 + 15 \,cm) $ , respectively. What is the magnitude and direction of electric dipole moment of the system ?
Focal length, radius of curvature and power of a plane mirror respectively are
The intrinsic carrier concentration of silicon sample at $ 300\, K $ is $ 1.5 \times 10^{16}\, m^{-3} $ . What is the density of minority carrier ? (after doping, the number of majority carriers is $ 5 \times 10^{20}\, m^{-3} $ )
An athlete runs exactly once around a circular track of length $ 500\,m $ . The runners displacement in the race is
Magnetic energy density in an inductor is given by
Order of magnitude of a physical quantity is the
The molecule of a monatomic gas has
What is the reason for earth not moving towards the moon, even though moon attracts the earth ?
What modulation index and side bands are produced when a message of frequency $ 10 \,kHz $ and peak voltage of $ 10 $ volts is used to modulate a carrier frequency of $ 1 \,MHz $ and peak voltage of 20 volts ?
The resistance of the platinum wire of a platinum resistance thermometer at the ice point is $ 5\,\Omega $ and at steam point is $ 5.23\,\Omega $ . When the thermometer is inserted in a hot bath, the resistance of the platinum wire will be $ 5.795\,\Omega $ . Calculate the temperature of the bath.
The device or substances which do not obey Ohm?s law is/are
For a copper block, find the electric field which can give on an average $ 1 \,eV $ energy to a conduction electron. (The mean free path of conduction electrons in copper is given as $ 4 \times 10^{-8}\, m $ )
Dispersion without deviation is produced by two thin (small angled) prisms which are combined together. One prism has angle $ 5^{\circ} $ and refractive index $ 1.56 $ . If the other prism has refractive index $ 1.7 $ , what is its angle ?
A bicyclist comes to a skidding stop in $10\, m$. During this process, the force on the bicycle due to the road is $200\, N$ and is directly opposed to the motion. The work done by the cycle on the road is
Due to atmospheric refraction effects, the day becomes longer by
Which wave, or ray is produced due to decelerating or accelerating charged particles ?
A ball is thrown horizontally from a height of $ 100\, m $ with an initial speed of $ 15\,m \,s^{-1} $ . How far does it travel horizontally in the first $ 2 $ seconds ?
If kinetic energy of a body is increased by $300$ % then percentage change in momentum will be