Which of the following detectors is suitable for fast counting?
Correct answer: B. G-M counter
- A. solid-state detector
- B. G-M counter
- C. Wilson cloud chamber
- D. all are correct
Explanation
B is the right option The Geiger-Muller (G-M) counter is suitable for fast counting of particles due to its ability to detect individual ionization events quickly. It is widely used for detecting and counting ionizing radiation.
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About Atomic Spectra
Atoms emit or absorb light at specific wavelengths because electrons occupy quantized energy levels and change levels by absorbing or releasing photons. The topic covers emission and absorption spectra, spectral series, hydrogen’s line spectrum, energy-level transitions, and the relation between wavelength, frequency and photon energy.
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