KEAM SERIES Chemistry
Dual Nature Of Matter
2 previous year questions.
Volume: 2 Ques
Yield: Medium
High-Yield Trend
1
2025 1
2013 Chapter Questions 2 MCQs
01
PYQ 2013
hard
chemistry ID: keam-201
Two fast moving particles X and Y are associated with de Broglie wavelengths 1 nm and 4 nm respectively. If mass of X is nine times the mass of Y, the ratio of kinetic energies of X and Y would be
1
3 : 1
2
9 : 1
3
5 : 12
4
16 : 9
02
PYQ 2025
medium
chemistry ID: keam-202
If 2E is the kinetic energy of a moving particle of mass , then the wavelength of the de Broglie wave associated with it is
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2
3
4
5