List of top Questions asked in CUET (PG)- 2023

The arithmetical check for Height of Instrument method (HI) is -

Given below are two statements:
Statement-I : Law of conservation of momentum is invariant to Galilean transformation.
Statement-II Law of conservation of energy is invariant to Galilean transformation.
In the light of the above statements, choose the correct answer from the options given below.

If \(I_0\) is the intensity of the principal maxima in a single slit diffraction pattern, then what will be its intensity when the slit width is doubled?

If the wind speed at a site is 6 m/s for half of the year and 10 m/s for the rest of the year calculate the energy content in a year.

Figure shows Fraunhofer's diffraction due to a single slit. If first minima is obtained in the direction shown, then the path difference between ray 1 and ray 3 is

Given \(\overrightarrow A\)x \(\overrightarrow B\) = \(\overrightarrow C\),
Where \(\overrightarrow A = x\hat i+y\hat j+3\hat k\), \(\overrightarrow B = y\hat î + x\hat j + 2\hat k\), \(\overrightarrow C=-5\hat î+5\hat k\) 
Find the value of x and y

Consider the correct statements in respect of the thermoelectric instruments. The correct sequence is:
A. They indicate the rms value of current or voltage
B. They suffer from waveforms errors
C. They can be used for frequency range of the order of MHz
D. They have a low overload capacity
E. They have a high accuracy
Choose the correct answer from the options given below:

What will be the separation between the coherent sources formed by a bi-prism whose inclined faces makes an angle of 2° with its base, the slit source being 0.10 m away from the bi-prism (Given μ = 1.5)?

A white dwarf star has volume V and contains N electrons so that the density of electron is \(n=\frac{N}{V}\). Taking the temperature of the star to be 0 K, what will be the expression for average energy per electron in the star?

In terms of total primary energy consumption. At present India stands at what position?

Given below are two statements:
Statement - I: The formula of correct length is \(\frac{\text{Measure of length}}{\text{Nominal length of Tape}}\) × Actual length of tape.
Statement - II: The formula of sag correction is - \(\frac{-W^2}{24P^2}\times L\).
In the light of the above statements, choose the correct answer from the options given below :

The true length of a line is known to be 200m. When this is measured with a 20m tape, the length is 200.80m. The correct length of the 20m tape is.

Consider an inertial frame S' moving at a speed \(\frac{c}{3}\) away from another inertial frame S along the common x-axis, where c is the speed of light. As observed from S', a particle is moving with speed \(\frac{c}{3}\) in the y' direction as shown in the figure. The speed of the particle as seen from S will be

Which methods you will prefer to estimate best the area of an irregular and curved boundary ?

A moving coil ammeter having resistance of 10 ohm gives full scale. detection when current of 5 mA passed through it. The resistance to be connected to make the instrument to read up to 1 A is__

The transfer function for the diagram shown below is given by____

In the given question, choose the correct sequence of four statements given below:
A. It was found that the charge determined in each case
B. Which reveals that charge is quantised
C. When the experiment was repeated for a number of times
D. Was an integral multiple of elementary charge.
Choose the correct answer from the options given below.

Give below are two statements:
Statement - I : The pressure on the base of a liquid column will depend upon the shape of the column.
Statement - II: The pressure over the free surface of a fluid at rest will vary with the location.
In the light of the above statements, choose the correct answer from the options given below :

Match List I with List II

LIST I		LIST II
A	Voltage Stability	I	Power system stabilizer
B	Transient stability	II	Damping Power
C	Oscillatory instability	III	Angle stability
D	Study-state dynamics	IV	Reactive power

Choose the correct answer from the options given below:

Choose the incorrect statement about Atomic absorption spectrometer:

The digital circuit shown in below represents:

Find \(R_{ equivalent}\) of the given circuit.

In a fixed-bias common-emitter Circuit.
A. Maintaining \(I_B\) constant will not provide operating-point stability as ẞ changes.
B. IB should not be allowed to change as to maintain \(V_{CB}\) and \(I_C\), constant as ẞ changes.
C. The reverse saturation current Ico doubles for every 10 °C rise in temperature.
D. The value of stability factor \(S=(1+\beta)\)
E. The circuit is highly unstable

Match List I with List II

LIST I (Type of Device)		LIST II (Characteristics/ Application)
A	GTO	I	Triggering Circuit
B	UJT	II	Turn off by negative pulse rate
C	TRIAC	III	High Speed Switching
D	MOSFET	IV	Bidirectional Switching

Choose the correct answer from the options given below:

A. Pyranometer measures global solar radiation received from entire hemisphere on a horizontal surface.
B. Solarimeter can be interpreted to mean same as pyrheliometeric instrument.
C. Pyranometer produces a voltage as a function of the incident solar radiation.
D. Pyranometer uses photovoltaic detectors.
E. Pyranometre's spectral response is linear.
Choose the correct answer from the options given below: