MCQ
गामा-किरणों की आवृत्ति परास हर्ज में है :
- ✓$10^{21}$ to $10^{18}$
- B$10^{21}$ to $10^{16}$
- C$10^{12}$ to $10^7$
- D$10^{12}$ to $10^{10}$
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