According to the Bohr model of the atom, an electron in the ground state radiate

Question

According to the Bohr model of the atom, an electron in the ground state radiates electromagnetic energy continuously emits only spectral lines remains there forever can jump to another orbit if given enough energy A hydrogen atom is said to be in its ground state when its electron in at rest is inside the nucleus is in the lowest energy level has An atom emits a photon when one of its orbital electrons jumps from a higher to lower energy level jumps from a lower to a higher energy level is removed by the photoelectric effect is struck by an X-ray Light of wavelength 5 times 10^2 m consists of photons whose energy is 1.1times 10^-41J 1.3 times 10^27 J 4 times 10^-10 J 1.7 times 10^J. The frequency of an X-ray photon which has energy of 6.6 times 10^- J is 4.4 times 10^-45 Hz 10^- Hz 10^15 Hz 10^Hz The de Broglie wavelength of an electron whose speed is 10^6 m/s is 5.9 times 10^-56 m 1.5 times 10^-19 m 7.3 times 10^-42 m 1.4 times 10^36 m The speed of an electron whose de Broglie wavelength is 10^m is 6.6 times 10^-34 m/s 3.8 times 10^3 m/s 7.3 times 10^4 m/s 10^m/s The fluid at the top of a container is under less pressure than the fluid at the bottom under the same pressure as the fluid at the bottom under more pressure than the fluid at the bottom any of these, depending upon the circumstances A cake soap placed in a bathtub of water sinks The buoyant force on the soap is 0 is equal to its weight is less than its weight is more than its weight A 200-g piston rests on a sample of a gas in a cylinder whose cross-sectional area is 15 m^2. The pressure the piston exerts on the gas is 0.13 Pa 1.3 Pa 13 Pa 7.5 Pa

Explanation / Answer

41 D

According to Bohr's model an electron revolves in fixed energy orbitals and is stable in its orbit but if given the exact energy equal to the difference in energies of 2 orbital states the electron would jump .

42 C

43 A

44 C

45 D

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