Thin Films: A soap bubble with air on both sides has an index of refraction of 1.33. What minimum thickness of the wall of this bubble will ensure maximum reflectance of normally incident light having a wavelength of 530 nm?
Fill in the blank(s) with the appropriate word(s).
99.6 nm
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When a rigid body rotates about a fixed axis all the points in the body have the same angular displacement
Indicate whether the statement is true or false
The main source of Earth's natural heat is
A) molten-hot lava. B) pressure on Earth's interior. C) radioactivity in Earth's interior. D) solar energy in the form of fossil fuels.
A mass on a spring undergoes SHM. When the mass is at its maximum distance from the equilibrium position, which of the following statements about it are true? (There could be more than one correct choice.)
A) Its elastic potential energy is zero. B) Its acceleration is zero. C) Its speed is zero. D) Its total mechanical energy is zero. E) Its kinetic energy is a maximum.
How much heat is required to melt 3.0 kg of ice at 0°C to water at 0°C?
a. 240 kcal b. 0 kcal c. 1620 kcal d. 360 kcal