CUET UG 2023 Physics Question Paper (22-May-2023) (Shift 3)

Question 1

A Zener diode is used in a voltage regulator circuit as shown below. Its breakdown voltage is 15 V. What is the current flowing through the Zener diode?

Accepted Answer

5 mA

Answer

10 mA

Answer

15 mA according

Answer

20 mA

Question 2

Match List - I with List - II List-IList-II(A) Microwave(I) Radar System for Aircraft Navigation(B) UV Rays(II) To study crystal structure(C) X-Rays(III) Radioactive decay of Nucleus(D) Gamma-Rays(IV) Lasik eye surgeryChoose the correct answer from the options given below:

Accepted Answer

(A)-(II), (B)-(IV), (C)-(III), (D)-(I)

Answer

(A)-(I), (B)-(IV), (C)-(II), (D)-(III)

Answer

(A)-(IV), (B)-(II), (C)-(III), (D)-(I)

Answer

(A)-(I), (B)-(II), (C)-(III), (D)-(IV)

Question 3

A thin metallic spherical shell contains a charge +10 μC on it. A point charge +2 μC is placed at the centre of the shell and another charge +5 μC is placed outside it as shown. The force on the charge +2 μC at the centre is:

Accepted Answer

Zero

Answer

Towards the Left

Answer

Towards the Right

Answer

Upwards

Question 4

Energy of a photon corresponding to a wavelength of 600 nm is 2.08 eV. The energy of a photon of wavelength 400 nm will be:

Accepted Answer

4.68 eV

Answer

-1.39 eV

Answer

3.12 eV

Answer

0.92 eV

Question 5

Figure shows drift speed Vd of conduction electrons in a copper wire versus position (X) for the three sections. Then,A. Radius of III > Radius of II > Radius of IB. Electric Field in III > Electric Field in II > Electric Field in IC. Radius of wire is same in all sectionsD. Conductivity is same in all sectionsChoose the correct answer from the options given below:

Accepted Answer

(A) and (D) only

Answer

(D) only

Answer

(B) and (D) only

Answer

(B) and (C) only

CUET UG 2023 Physics Question Paper (22-May-2023) (Shift 3)

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List-I	List-II
(A) Microwave	(I) Radar System for Aircraft Navigation
(B) UV Rays	(II) To study crystal structure
(C) X-Rays	(III) Radioactive decay of Nucleus
(D) Gamma-Rays	(IV) Lasik eye surgery