List of top Questions asked in CUET (UG)- 2022

The variation of electric field with respect to the distance from center of charged conducting spherical shell of radius R is given by : 
Find the value of current in the circuit.
An electron is projected in a uniform magnetic field along the direction of the field, the electron will experience:
Which of the following rays used in doing LASIK (Laser-assisted in Situ peratomileusis eye surgery)?

Match List-I with List-II.
Choose the correct answer from the options given below:

 List I(components of reactor) List-II(Function)
AUraniumIThe reaction rate can be controlled by it.
BModeratorIISlows down the fast-moving neutrons
CControl rodIIIUsed for fission reaction
DCoolantIVTransfers heat from core to turbine

 

The ratio of radii of two nuclei having atomic mass numbers 27 and 8 respectively, will be:
An infinitely long wire is charged uniformly with a charge density λ and placed in the air, the electric field at a distance r from the wire will be:
Match list I with list II
List I (electronic device)   List-II(Use/application)
A Photo diode I Remote controls
B Zener diode II. Amplifier
C Light emitting diode III Voltage regulator
D Transistor IV Photo detector
Choose the correct answer from the options given below:
If N0 is the original mass of the substance of half-life t 1/2 = 4 years then the amount of substance left after 12 years is :
The difference in mass of A nucleus and its constituent nucleon is called
Suppose K is open and the rod is moved with speed of 12 cms-1 in the direction. The magnitude of the induced EMF will be :
A proton and an Alpha particle moving with the same kinetic energy enter the range of a uniform magnetic field perpendicular to it. the ratio radii of their trajectors will be
Magnetic field due to the current carrying wire as shown in the figure at point “O” will be:
Two point charges (-q) and (+4q) are placed at that separation ‘r’. Where should a third charge be placed so that the entire system of charges becomes in equilibrium?
Number of photo electrons emitted per second is proportional to:
To increase the magnification power of a refracting type telescope, we should increase the:
The magnetic force experienced by the rod when K is closed will be :
If two sources of intensifies $I_0$ each have a randomly varying phase difference ф, the resultant intensity at centre of screen will be :
When a forward bias is applied to a PN junction diode then
The face difference(∆ф) between two superimposing waves to obtain constructive interference and his right band is :
Match list I with list II
 List I (electronic device) List-II(Use/application)
APhotodiodeIRemote controls
BZener diodeII.Amplifier
CLight emitting diodeIIIVoltage regulator
DTransistorIVPhotodetector

Choose the correct answer from the options given below:
A parallel plate capacitor having cross-sectional area ‘A’ and separated by distance ‘d’ is filled by a copper plate of thickness b. its capacitance is :
To convert a galvanometer into an ammeter, one should connect :
A conducting sphere is charged. If the electric field at a distance of 20 cm from the center of this sphere is 1.2x103NC-1 and points radially inward, the net charge on this sphere is
The magnetic field of a plane electromagnetic wave is given by B_x=2✕10-7sin(0.6✕103y+2✕1011t)T.An expression for its electric field is: