Q19.A radio can tune to any station in 6 MHz to 10 MHz band. The value of corresponding wavelength bandwidth will be (1) 4 m (2) 20 m (3) 30 m (4) 50 m
What This Question Tests
This question tests the application of the radioactive decay law to find the decay constant given the initial and final disintegration rates over a period.
Concepts Tested
Formulas Used
A = A₀e^(-λt)
A = dN/dt
📚 NCERT Sections This Tests
13.4 — Obtain Approximately The Ratio Of The Nuclear Radii Of The Gold Isotope
Physics Class 12 · Chapter 13
13.4 Obtain approximately the ratio of the nuclear radii of the gold isotope 197 79 Au and the silver isotope 10747 Ag .
13.2 — Obtain The Binding Energy Of The Nuclei 5626Fe And 20983 Bi In Units Of
Physics Class 12 · Chapter 13
13.2 Obtain the binding energy of the nuclei 5626Fe and 20983 Bi in units of MeV from the following data: m ( 5626Fe ) = 55.934939 u m ( 20983 Bi ) = 208.980388 u
12.3 — A Difference Of 2.3 Ev Separates Two Energy Levels In An Atom. What
Physics Class 12 · Chapter 12
12.3 A difference of 2.3 eV separates two energy levels in an atom. What is the frequency of radiation emitted when the atom make a transition from the upper level to the lower level?
📋 Question Details
- Chapter
- Nuclei
- Topic
- Radioactivity and Decay Constant
- Year
- 2022
- Shift
- 26 Jul Shift 1
- Q Number
- Q19
- Type
- MCQ
- NCERT Ref
- Class 12 Physics Ch 13: Nuclei
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