List of top Questions asked in CUET (UG)

Which of the following graph correctly shows the relation between photoelectric current (I) and wavelength (λ) of incident radiation
Consider two different hydrogen atoms. The electron in each atom is in first excited state. According to Bohr's model, electrons will have:
Choose the correct statements:
(A) A nuclide is represented as \(^Z_AX\)
(B) Nuclids with same number of protons are called isotopes
(C) a-ray scattering experiments allow determination of the nuclear radius
(D) Nuclids with same number of neutrons are called isotones
(E) The nuclear force distinguishes between neutron and proton
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Match List I with List II

List-I

List-II

(A)To slow down fast moving neutrons(I)Thermal neutrons
(B)A neutron or a proton(II)Fission
(C)Slow neutrons(III)Moderator
(D)Neutron induced nuclear reaction(IV)Nucleon

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A radioactive isotope phosphorous-32 has an initial activity 10μCi and has half life of 14 days. What is the activity of the source after 42 days?
Energy band gap is maximum in:
The forbidden energy gaps in conductors, semiconductors and insulators are (Eg)c, (Eg)s and (Eg)1 respectively. What is the relation among them ?
Which of the following statements are correct for a transistor action ?
(A) The input resistance depends upon the current IC in the transistor
(B) Collector currents is equal to the sum of base current and emitter current
(C) The emitter junction is forward biased
(D) The collector junction is reverse biased
(E) Both the emitter junction as well as the collector junction are forward biased
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The logic gate realised using p-n junction diodes in the given figure is:
The logic gate realised using p-n junction diodes
Which of the following is a transducer ?
(A) Loudspeaker
(B) Amplifier
(C) Rectifier
(D) Microphone
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The correct mathematical expression for amplitude modulated wave is:
A vertical electric field of magnitude 4.9×105 NC-1 just prevents a water droplet of mass 0.1 g from falling. What is the charge on the droplet? Take acceleration due to gravity 9.8 ms-2.
Which of the following statements are correct?
(A) The resistivity of a semiconductor decreases with increasing temperature.
(B) The potentiometer is unaffected by the internal resistance of the source.
(C) In ionic crystals and electrolytic liquids electrons carry the electric current.
(D) Ohm's law fails if V depends on I non-linearly.
(E) Kirchhoff's rules are used for analysis of electric circuits.
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A parallel beam of monochromatic light of wavelength 460 nm passes through a long slit of width 0.1 mm. What is the angular divergence in which most of the light is diffracted?
What is the wavelength of light for the least energetic photon emitted in the Lyman series of the hydrogen atom spectrum lines?
(Take h=6.63×10-34Js; c=3×108 ms-1; e=1.6×10-19C)
One light year is equals to______.
The change of gaseous state directly to solid state without going through liquid state is called_____
Who among the following in Ancient India made some prominent discoveries in Physics?
Match LIST I with LIST II

LIST I
Device

LIST II 
Purpose
AMicrophoneIUsed in vehicles to measure distance
BAudiometerIIFor measuring the force and velocity of
wind
C OdometerIIIConverts sound waves to electrical vibrations
DAnemometer IVMeasures intensity of sound
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C.V. Raman got Nobel Prize in 1930 for his discovery of:
While singing Raga Malkauns, the first string of the Tanpura is tuned in:
Which foreign traveller purchased "horses, camels and slaves" as gifts for Muhammad bin Tughlaq?
The critical self-analysis in sociology that can show how one looks like to others, and teachers how to look at oneself 'from the outside' is called:
Common features of the caste-system include
A. Equalities within the same caste members
B. Social mobility
C. Occupational link
D. Sub-divisions
E. Hierarchical arrangement
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Match List I with List II:
LIST-I ExamplesList-II Concept
A.Sale of kidney by poor to cater to rich patients I.Weekly Market
B.BPOII.Status symbol
C.Use of Branded CarsIII.Globalisation
D.DhoraiIV.Commodification

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