The index of refraction of a certain glass is measured to be 1.5. What is the speed of light in that glass? (c = 3.0 × 108 m/s)
A) 1.0 × 108 m/s
B) 2.0 × 108 m/s
C) 3.0 × 108 m/s
D) 4.0 × 108 m/s
E) 5.0 × 108 m/s
B
You might also like to view...
A 6.0-?F air-filled capacitor is connected across a 100-V voltage source. After the source fully charges the capacitor, the capacitor is immersed in transformer oil (of dielectric constant 4.5)
How much ADDITIONAL charge flows from the voltage source, which remained connected during the process? A) 1.2 mC B) 1.5 mC C) 1.7 mC D) 2.1 mC E) 2.5 mC
Which scientist built a radio transmitting tower at the turn of the 20th century and claimed that he was receiving interplanetary communications with it?
A) Guglielmo Marconi B) Thomas Edison C) Nikola Tesla D) Grote Reber
The rms value of the electric field component of an electromagnetic wave is 27.2 N/C. What is the maximum value of the electric field?
A) 38.5 N/C B) 19.2 N/C C) 27.2 N/C D) 47.4 N/C E) 52.8 N/C
The Bohr model pictures a hydrogen atom in its ground state as a proton and an electron separated by the distance a0 = 0.529 × 10?10 m. The electric potential created by the electron at the position of the proton is
A. ?13.6 V. B. +13.6 V. C. ?27.2 V. D. +27.2 V. E. +5.12 × 109 V.