List of top Questions asked in CUET (UG)

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

Given below are two statements:
statement 1: The electric field produced by a scalar source is known as the electric charge statement 2:The magnetic field produced by a vector source is known as the current element (I dl).
In light of the above statements, choose the correct answer from the options given below:

Number of photo electrons emitted per second is proportional to:

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 :

Circuit element X when connected to peak voltage of 200 volts, a peek current of 5A flows which lags behind the voltage by ℼ/2. When a circuit element Y when connected to some same the same current flows, which is in face with the voltage. Now X and Y are connected in series with same peak voltage.The RMS value of current through the circuit will be:

The radius of curvature of the curved surface of a plano convex lens is 20 CM. if the refractive index of the material of the lens be 1.5, then the focal length of the lens will be :

The shortest Wave length in the lyman series of hydrogen spectrum is 912 Å. The shortest wavelength present in paschen series of spectral lines will be

In Young’s double slit experiment, an interference pattern is obtained on the screen.If one of the slits is closed, then :

In Young’s double slit experiment the Fringe width is 0.4 mm. if the whole apparatus is immeresed in water of refractive index 4 / 3 without changing its geometry the new Fringe width will be :

In young's double slit experiment, the separation between slits is halved and distance between this sleets and screen is doubled.The Fringe width will be :

To increase the magnification power of a refracting type telescope, we should increase the:

When a forward bias is applied to a PN junction diode then

For a generalised communication system, arrange the following in the correct sequence:
(A) Receiver
(B) Information source
(C) channel
(D) User of information
(E) Transmitter

A boy of height 1 m stands in front of a convex mirror. His distance from the mirror is equal to the focal length of the mirror, the height of the image is:

If a light Re travels from denser to rear medium which of the following statements are correct ?
(A)energy increases
(B)frequency remain same
(C)phase changes by 90°
(D) velocity increases
(E)Wavelength decreases
Choose the correct answer from the options given below:

Choose the logic operation carried out by the following current:

A voltmeter of resistance 150Ω is connected across A and B in the given circuit. The reading of the voltmeter will be : 

The face difference(∆ф) between two superimposing waves to obtain constructive interference and his right band is :

The process of superimposing message signal with career wave is known as:

\(A°\) \(m\) for \(NaCl\), \(HCl\) and \(NaAc\) are \(126.4, 425.9\) and \(91.0\) \(S\) \(cm^2 \) \(mol^{-1 }\)respectively. Calculate \(A°\) for \(HAc\)

A. In Ionic solid, ions are the constituent particles. 

B. Ionic solids are soft.

C. Ionic solid are electrical insulators in the solid state. 

D. Ionic solid conduct electricity in molten state. 

E. Ionic solid have low melting and boiling points.