Examlex
What is the frequency of the most intense radiation from an object with temperature 100°C? The constant in Wien's law is 0.0029 m ∙ K.(c = 3.0 × 108 m/s)
Examiner
A person or tool that assesses someone or something in terms of quality, skill, or knowledge.
Lumen
The interior space of a tubular structure, such as an artery or intestine.
Tube-Like Organ
A hollow body part that resembles a tube in shape, facilitating the passage or transport of substances.
Abnormal
Straying from the expected or common, often in a concerning or unwelcome manner.
Q4: Rutherfordium-261 has a half-life of 1.08 min.What
Q7: A metal has a work function of
Q23: How many protons,neutrons,and nucleons are there in
Q41: A spacecraft is measured by a
Q42: Light passes through three ideal polarizing sheets.Unpolarized
Q49: An 8.00-mW laser beam emits a
Q52: The surface temperature of the star is
Q104: A person's eye lens is 2.8 cm
Q110: A hydrogen atom is excited to the
Q136: The equation shows a fission reaction: