Organic Light Emitting Diodes (OLEDs) are used to create digital display in many devices. What are the advantages of OLED displays over Liquid Crystal displays? 1. OLED displays can be fabricated on flexible plastic substrates. 2. Roll-up displays embedded in clothing can be made using OLEDs. 3. Transparent displays are possible using OLEDs. Select the correct answer using the code given below:
A1 and 3 only
B2 only
C1, 2 and 3
DNone of the above statements is correct
Answer & Solution
Correct answer: B. 2 only
UPSC CSE Prelims 2017 (GS-I, Set C), Q.74. Official answer key: B.
Related questions
Chandrayaan-3 (India's lunar mission) achieved a historic FIRST in 2023 by:The double-helix structure of DNA was discovered by:The 'powerhouse of the cell' that produces ATP for energy is:At room temperature, the only metal that exists in the LIQUID state is:The pH of a NEUTRAL solution (pure water at 25°C) is:In the modern periodic table, elements are arranged by:Standard Indian household electricity supply is:The refractive index of a medium is defined as: