Target Exam

CUET

Subject

Physics

Chapter

Dual Nature of Radiation and Matter

Question:

Identify the correct statements.

(A) Photographic plates are sensitive to infrared waves.
(B) Infra-red waves are invisible but can cast shadows like visible light.
(C) Photographic plates are sensitive to ultraviolet rays.
(D) Infrared photons have more energy than photons of visible light.

Choose the correct answer from the options given below:

Options:

(A), (B) and (C) only

(B), (C) and (D) only

(A), (C) and (D) only

(A) and (C) only

Correct Answer:

(A), (B) and (C) only

Explanation:

The correct answer is Option (1) → (A), (B) and (C) only

Analysis of statements:

(A) Photographic plates are sensitive to infrared waves → True.

(B) Infra-red waves are invisible but can cast shadows like visible light → True.

(C) Photographic plates are sensitive to ultraviolet rays → True.

(D) Infrared photons have more energy than photons of visible light → False. Infrared photons have less energy than visible light photons.

Correct Statements: (A), (B) and (C)