1
IIT-JEE 1988
Fill in the Blanks
+1
-0
The uncertainty principle and the concept of wave nature of matter were proposed by ______ and ______ respectively. (Heisenberg Schrodinger, Maxwell, de Broglie)
2
IIT-JEE 1983
Fill in the Blanks
+1
-0
Elements of the same mass number but of different atomic numbers are known as ____.
3
IIT-JEE 1982
Fill in the Blanks
+1
-0
The mass of a hydrogen atom is ______ kg.
4
IIT-JEE 1982
Fill in the Blanks
+1
-0
Isotopes of an element differ in the number of ______ in their nuclei.
JEE Advanced Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12