A slit of width 0.010 mm has light of frequency 5.0 × 1014 Hz passing through it onto a screen 60 cm away. How wide is the central maximum? (c = 3.00 × 108 m/s)

A) 1.8 cm B) 0.12 cm C) 3.6 cm D) 7.2 cm E) 0.90 cm


D

Physics & Space Science

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The radiation curve for a red hot fire-place poker peaks in the

A) infrared region. B) green region. C) ultraviolet region.

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Energy and Mass: One of the first atomic explosion released approximately 1.0 × 1014 J of energy. How much matter had to be changed into energy to produce this yield? (c = 3.0 × 108 m/s)

A. 1.1 g B. 23 g C. 13 g D. 0.45 kg E. 1.1 kg

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The electrons are bound to an atom by the attraction between their negative charge and the positive charge on the nucleus. This attraction is known as the _____

A) Coulomb force B) Doppler effect C) Lorentz force D) Casimir effect

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The Kelvin temperature scale is measured in degrees

a. True b. False Indicate whether the statement is true or false

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