Q33.If the kinetic energy of an electron is increased four times, the wavelength of the de-Broglie wave associated with it would become (1) one fourth (2) half (3) four times (4) two times
What This Question Tests
This question tests the understanding of the de-Broglie wavelength concept and its inverse relationship with the square root of kinetic energy.
Concepts Tested
Formulas Used
ฮป = h/p
KE = pยฒ/(2m)
๐ NCERT Sections This Tests
12.5 โ A Hydrogen Atom Initially In The Ground Level Absorbs A Photon,
Physics Class 12 ยท Chapter 12
12.5 A hydrogen atom initially in the ground level absorbs a photon, which excites it to the n = 4 level. Determine the wavelength and frequency of photon.
12.4 โ The Ground State Energy Of Hydrogen Atom Is โ13.6 Ev. What Are The
Physics Class 12 ยท Chapter 12
12.4 The ground state energy of hydrogen atom is โ13.6 eV. What are the kinetic and potential energies of the electron in this state?
11.3 โ The Photoelectric Cut-Off Voltage In A Certain Experiment Is 1.5 V.
Physics Class 12 ยท Chapter 11
11.3 The photoelectric cut-off voltage in a certain experiment is 1.5 V. What is the maximum kinetic energy of photoelectrons emitted?
๐ Question Details
- Chapter
- Atomic Structure
- Topic
- de-Broglie wavelength
- Year
- 2012
- Shift
- 19 May Online
- Q Number
- Q33
- Type
- MCQ
- NCERT Ref
- Class 11 Chemistry Ch 2: Structure of Atom
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