Match List-I with List-II and select the correct answer using the options given below:

List-I (Optical devices) List-II (Electrical/optical characteristics)

a. GaAs 1. Emits monochromatic light of low intensity

b. Solar cell 2. Consumers electrical power due to the incident light

c. Photo Diode 3. Deliver power to a load

d. LED 4. Emits monochromatic light of light intensity

A) a-4, b-3, c-1, d-2 B) a-3, b-4, c-2, d-1 C) a-4, b-3, c-2, d-1 D) a-3, b-4, c-1, d-2

Answer & Solution

Correct Answer: Option C

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List-I (Optical devices)	List-II (Electrical/optical characteristics)
a. GaAs	1. Emits monochromatic light of low intensity
b. Solar cell	2. Consumers electrical power due to the incident light
c. Photo Diode	3. Deliver power to a load
d. LED	4. Emits monochromatic light of light intensity