The work done by a centripetal force in half revolution is MCQ with Answer and Explanation
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Question #1
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A current of 5 A flows through a 10 Ω resistor for 2 minutes. Heat produced in kJ is
Question #2
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Who formulated the Planetary Model of the atom, proposing that electrons orbit the nucleus in specific, quantized circular orbits?
Correct Answer: Option D
Explanation:
Niels Bohr proposed the Bohr model of the atom in 1913. He improved upon Rutherford's model by introducing quantum theory, suggesting that electrons travel in discrete, quantized orbits around the nucleus without radiating energy, and that energy is only emitted or absorbed when an electron jumps between these specific orbits.
Niels Bohr proposed the Bohr model of the atom in 1913. He improved upon Rutherford's model by introducing quantum theory, suggesting that electrons travel in discrete, quantized orbits around the nucleus without radiating energy, and that energy is only emitted or absorbed when an electron jumps between these specific orbits.
Question #3
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Which is the most penetrating radiation?
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