Which one of the following particles in the nucleus of an atom was discovered by J. Chadwick?

Which one of the following findings is NOT observed in Rutherford's Nuclear Model of Atom?

Match List I with List II and select the answer using the code given below the Lists:

List I (Physical Quantity)	List II (SI Unit)
A. Temperature	1. Kelvin
B. Weight	2. Kilogram
C. Mass	3. Pascal
D. Pressure	4. Newton

code:

Which of the following statements with reference to Coriolis force is/are correct?
1.Coriolis force acts perpendicular to the pressure gradient force
2.At the equator, the Coriolis force is zero and the wind blows perpendicular to the isobars
Select the answer using the code given below: