In the Bohr model, the transitions of electrons down to ground state produce the Lyman lines in the ultraviolet

Indicate whether the statement is true or false


TRUE

Physics & Space Science

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Which telescope will be launched into solar orbit and eventually replace observations made by the Hubble Space Telescope?

a. Hinode b. Kepler c. Chandra d. JWST e. Fermi

Physics & Space Science

Addition by Components: If vector  has components Ax = -3.0 lb and Ay = -4.0 lb, and vector  has components Bx = 3.0 lb and By = -8.0 lb, what is the magnitude of vector  =  - ?

A. 13 lb B. 16 lb C. 140 lb D. 7.2 lb

Physics & Space Science

A film of index of refraction n1 coats a surface with index of refraction n2. When n1>n2, the condition for constructive interference for reflected monochromatic light of wavelength ? in air is

A.

.

B.
.

C.
.

D.
.

E.
.

Physics & Space Science

A metal sphere of radius 10 cm carries a charge of +2.0 ?C uniformly distributed over its surface. What is the magnitude of the electric field due to this sphere at a point 5.0 cm outside the sphere's surface?

(k = 1/4??0 = 8.99 × 109 N • m2/C2) A) 4.0 × 105 N/C B) 8.0 × 105 N/C C) 4.2 × 106 N/C D) 4.0 × 107 N/C E) 8.0 × 107 N/C

Physics & Space Science