Which of the following sequences of electromagnetic radiation is correct in order of increasing energy?
a. gamma rays, X-rays, infrared, radio
b. radio, microwave, gamma rays, UV
c. visible, UV, X-rays, gamma rays
d. visible, microwave, radio, infrared
e. infrared, visible, radio, X-rays
c
You might also like to view...
A plane truss with span length L 5 4.5 m is constructed using cast iron pipes (E 5 170 GPa) with a cross-sectional area of 4500 mm2. The displacement of joint B cannot exceed 2.7 mm. The maximum value of loads P is approximately:
(A) 340 kN
(B) 460 kN
(C) 510 kN
(D) 600 kN
A 55-cm brass rod has a diameter of 30 cm. The compressive strength of steel is 250 × 106 N/m2. What is the compression force that would break the rod?
A) 1.8 × 107 N B) 2.4 × 107 N C) 1.4 × 108 N D) 2.4 × 108 N E) 4.5 × 108 N
You are in a place that is extremely hot and dense. You can't see far because your surroundings are opaque to light. Around you, nuclear fusion is converting carbon into oxygen and other elements. Where are you?
A) You are inside a nuclear power plant on Earth. B) You are in the center of a star very much like our Sun. C) You are in the center of a white dwarf. D) You are in the early universe during the era of nucleosynthesis. E) You are in the center of a massive star near the end of its life.
To estimate the central temperature of the Sun, scientists
A) send probes to measure the temperature. B) use hot gas to create a small Sun in a laboratory. C) monitor changes in Earth's atmosphere. D) use computer models to predict interior conditions.