Match the following:

1. Morphine: Morphine is a potent opioid analgesic used for pain relief. A-III
2. Penicillin: Penicillin is an antibiotic used to treat bacterial infections. B-II
3. Iodoform: Iodoform is an antiseptic used to disinfect wounds. C-I
4. Sodium Benzoate: Sodium benzoate is a food preservative used to prevent the growth of bacteria and fungi in food. D-IV Therefore, the correct matching is A-III, B-II, C-I, D-IV.
Final Answer:
A-III, B-II, C-I, D-IV.
Young double slit arrangement is placed in a liquid medium of 1.2 refractive index. Distance between the slits and screen is 2.4 m.
Slit separation is 1 mm. The wavelength of incident light is 5893 Å. The fringe width is: