An 18-mm-wide diffraction grating has rulings of 710 lines per millimieter. Monochromatic light of wavelength 506 nm wavelength is incident normally on the grating
What is the largest angle from the centerline at which an intensity maximum is formed?
A) 46° B) 40° C) 38° D) 42° E) 44°
A
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Which of the five major divisions of chemistry deals exclusively with carbon compounds?
a. Physical chemistry b. Inorganic chemistry c. Analytical chemistry d. Organic chemistry e. Biochemistry
If the radius of the electron orbit in the n = 1 level of the hydrogen atoms is 0.0529 nm, what is its radius for the n = 4 level? (Assume the Bohr model is valid)
a. 1.32 nm c. 0.106 nm b. 0.265 nm d. 0.846 nm
Single-celled life ruled the Earth from ________ to ________ billion years ago
Fill in the blank(s) with correct word
An object is dropped and freely falls to the ground with acceleration g. If it is thrown upward at an angle instead, neglecting air drag, the acceleration along its path will be
A) less than g. B) the same. C) more than g.