Which of the following are applications of Raman effect:

1. Monitoring of chemical purity in petro chemical industry
2. Identification of cancer
3. Study of gravity in black holes
4. Detection of Narcotics

Select the correct answer using the codes given below.
a) 2, 3 and 4 only
b) 1, 2 and 3 only
c) 1, 2 and 4 only
d) 1, 2, 3 and 4




Answer - C

Explanation- Raman effect is one of the few technique which can provide key information, easily and quickly, detailing the chemical composition and the structure of the investigated materials.Statement 3 is not the application of Raman effect. All other are common application of Raman effect.