Fill in the blank: (only need to answer a, but if you know the rest feel free to

ID: 1066008 • Letter: F

Question

Fill in the blank: (only need to answer a, but if you know the rest feel free to answer those too)

a) The lowering of UV absorption intensity as polynucleotides form a double helix is called ______________.

b) Intersystem crossing is ___________ (faster/slower) than vibrational relaxation.

c) A vibrational transition is ____________ active if the corresponding vibration scatters photons strongly.

d.) The ratio of the number of quanta emitted to the number absorbed is called __________ __________ .

Fill the blanks

a) The lowering of UV absorption intensity as polynucleotides form a double helix is called hyperchromic effect.

b) Intersystem crossing is slower than vibrational relaxation.

c) A vibrational transition is IR-active if the corresponding vibration scatters photons strongly.

d) The ratio of the number of quanta emitted to the number absorbed is called fluorescence.

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