Description : A hydrogen atom in a state of binding energy 0.85 eV makes a transition to a state of excitation energy of 10.2 eV . Find the energy and wavelength of
Last Answer : A hydrogen atom in a state of binding energy 0.85 eV makes a transition to a state of ... . Find the energy and wavelength of photon emitted.
Description : In which transition minimum energy is emitted :-
Last Answer : In which transition minimum energy is emitted :- A. `ooto1` B. `2to1` C. `3to2` D. `nto(n-1)[nge4]`
Description : The radius of curvature provided along a transition curve, is (A) Minimum at the beginning (B) Same throughout its length (C) Equal to the radius of circular curve (D) Varying from infinity to the radius of circular curve
Last Answer : Answer: Option D
Description : In case of a hair pin bend of a highway, (A) Minimum radius of inner curve is 14 m (B) Minimum radius of transition is 15 m (C) Circular compound curve may be provided (D) All the above
Description : Given a Non-deterministic Finite Automation (NFA) with states p and r as initial and final states respectively transition table as given below The minimum number of states required in Deterministic Finite Automation (DFA) equivalent to NFA is (A) 5 (B) 4 (C) 3 (D) 2
Last Answer : (C) 3
Description : The X –ray beam coming from an X-ray tube will be (a) Monochromatic (b) Having all wavelengths larger than a certain minimum wavelength (c) Having all wavelengths smaller than a certain maximum wavelength (d) Having all wavelengths between a minimum and a maximum wavelength
Last Answer : Ans:(b)
Description : Colour with minimum wavelength is?
Last Answer : Violet
Description : A slit of width ‘a’ is illuminated by white light. For what value of ‘a’ will the first minimum for red light fall at an angle of 300 wavelength of red light is 6500 A0 A. 1.1 x 10 -3 cm B. 1.4 X 10 -4 cm C. 1.3 X 10 -4 cm D. 1.6 X 10 -4 cm
Last Answer : C. 1.3 X 10 -4 cm