RRB-General SCience-Quiz

1.If a U – 238 nucleus splits into two identical parts, the two nuclei so produced will be– (4)

1. Radioactive
2. Stable
3. Isotopes
4. Isobars

2.The expected energy of the election at absolute zero is called (2)

1. fermi energy
2. emission energy
3. work function
4. potential energy

3.In a atom the order of filling up of the orbitals is governed by – (3)

1. Aufbau principle
2. Heisenberg’s uncertainty principle
3. Hund’s rule
4. Pauli’s exclusion Principle

4. ‘Yellow cake’ an item of smuggling across border is – a crude form of heroin (1)

1. a crude form of cocaine
2. uranium oxide
3. unrefined gold

5.The acid used in eye wash is – (2)

1. Oxalic acid
2. Nitric acid
3. Boric acid
4. None