The wavelength of a spectral life for an electronic transition inversely proportional to:A. number of electrons undergoing transitionB. the nuclear charge of the atomC. the velocty of an electron undergoing transitionD. the difference in the energy involved in the transition

The wavelength of a spectral life for an electronic transition inverse

1.	The wavelength of a spectral life for an electronic transition inversely proportional to:A. number of electrons undergoing transitionB. the nuclear charge of the atomC. the velocty of an electron undergoing transitionD. the difference in the energy involved in the transition
Answer» Correct Answer - D

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During the transformation of `._(c )X^(a)` to `._(d)Y^(b)` the number of `beta`-particles emitted are a. `d + ((a - b)/(2)) - c` b. `(a - b)/(c )` c. `d + ((a - b)/(2)) + c` d. `2c - d + a = b`A. a. `d + ((a - b)/(2)) - c`B. b. `(a - b)/(c )`C. c. `d + ((a - b)/(2)) + c`D. d. `2c - d + a = b`
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How many `alpha`-particles are emitted in the nuclear transformation: `._(84)Po^(215) rarr ._(82)Pb^(211) + ? ._(2)He^(4)`
Which one of the following nuclear transformation is `(np)` type? a. `._(3)Li^(7) + ._(1)H^(1) rarr ._(4)Be^(7) + ._(0)n^(1)` b. `._(33)As^(75) + ._(5)He^(4) rarr ._(35)Bi^(78) + ._(0)n^(1)` c. `._(83)Bi^(209) + ._(1)H^(2) rarr ._(84)Po^(210) + ._(0)n^(1)` d. `._(21)Sc^(45) + ._(0)n^(1) rarr ._(20)Ca^(45) + ._(1)H^(1)`A. a. `._(3)Li^(7) + ._(1)H^(1) rarr ._(4)Be^(7) + ._(0)n^(1)`B. b. `._(33)As^(75) + ._(5)He^(4) rarr ._(35)Bi^(78) + ._(0)n^(1)`C. c. `._(83)Bi^(209) + ._(1)H^(2) rarr ._(84)Po^(210) + ._(0)n^(1)`D. d. `._(21)Sc^(45) + ._(0)n^(1) rarr ._(20)Ca^(45) + ._(1)H^(1)`
After np orbitals are filled, the next orbital filled will be :-(a). `(n+1)s`(b). `(n+2)p`(c). `(n+1)d`(d). `(n+2)s`A. `(n+1) s`B. `(n+2)p`C. `(n+1) d`D. `(n+2) s`
The total number of `alpha`- and `beta`-particles given out during nuclear given nuclear transformation is:A. `2`B. `4`C. `6`D. `8`
Which one of the following nuclear transformation is `(np)` type? a. `._(3)Li^(7) + ._(1)H^(1) rarr ._(4)Be^(7) + ._(0)n^(1)` b. `._(33)As^(75) + ._(5)He^(4) rarr ._(35)Bi^(78) + ._(0)n^(1)` c. `._(83)Bi^(209) + ._(1)H^(2) rarr ._(84)Po^(210) + ._(0)n^(1)` d. `._(21)Sc^(45) + ._(0)n^(1) rarr ._(20)Ca^(45) + ._(1)H^(1)`A. `._(3)Li^(7) + ._(1)H^(1) rarr ._(4)Be^(7) + ._(0)n^(1)`B. `._(33)As^(75) + ._(2)He^(2) rarr ._(35)Br^(78) + ._(0)n^(1)`C. `._(83)Bi^(209) + ._(1)H^(2) rarr ._(84)Po^(210) + ._(0)n^(1)`D. `._(21)Sc^(45) + ._(0)n^(1) rarr ._(20)Ca^(45) + ._(1)H^(1)`
The reaction `._(1)D^(2) + ._(1)T^(3) rarr ._(1)He^(2) + ._(0)n^(1)` is an example ofA. Nuclear fissionB. Nuclear fusionC. Artifical radioactivityD. Radioactive disintegration
The equipment used to carry out nuclear reaction in a controlled manner is calledA. Breeder reactorB. Nuclear reactorC. Thermonuclear fissionD. Cyclotron
The number of `alpha and beta-`particles emitted in the nuclear reaction `._(90)Th^(228) rarr ._(83)Bi^(212)` are respectivelyA. 4 , 1B. 3 , 7C. 8, 1D. 4, 7

The wavelength of a spectral life for an electronic transition inversely proportional to:A. number of electrons undergoing transitionB. the nuclear charge of the atomC. the velocty of an electron undergoing transitionD. the difference in the energy involved in the transition

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