CUET UG 2023 Physics Question Paper (30-May-2023) (Shift 1)

Question 1

Resolving power of a telescope can be increased by increasing:

Accepted Answer

Diameter of Objective lens

Answer

Wavelength of light incident at telescope

Answer

Diameter of eye piece

Answer

Focal length of eyepiece

Question 2

Which of the following is the correct equation for the law of radioactive decay? Symbols have their usual meaning.

Accepted Answer

N(t) = N0e-λt

Answer

N(t) = N0e-t/λ

Answer

N(t) = N0e-λ/t

Answer

N(t) = N0e-2λt

Question 3

Match List - I with List - II.List - IList - II(A) Contracting of Eye ball(I) Myopia(B) Controls the shape of eye lens(II) Cornea(C) Elongation of eye ball(III) Ciliary Muscle(D) Control the light entering in eyes(IV) HypermetropiaChoose the correct answer from the options given below:

Accepted Answer

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

Answer

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

Answer

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

Answer

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

Question 4

What is the mathematical expression for potential gradient?

Accepted Answer

−dV/dr

Answer

dv/rdv

Answer

−dE/dr​

Answer

−dV/dA

Question 5

Two electrons are moving with different kinetic energies. If the 1st electron is moving with kinetic energy k and the 2nd electron with kinetic energy 4k, the ratio of their de Broglie wavelengths will be respectively:

Accepted Answer

2:1

Answer

1:2

Answer

1:4

Answer

4:1

CUET UG 2023 Physics Question Paper (30-May-2023) (Shift 1)

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List - I	List - II
(A) Contracting of Eye ball	(I) Myopia
(B) Controls the shape of eye lens	(II) Cornea
(C) Elongation of eye ball	(III) Ciliary Muscle
(D) Control the light entering in eyes	(IV) Hypermetropia