When sunlight from air enters water, light that refracts most is
A) red.
B) orange.
C) green.
D) violet.
E) all refract the same amount
Answer: D
You might also like to view...
Two police cars have identical sirens that produce sound of frequency of 570 Hz. A stationary listener is standing between two cars
One car is parked and the other is approaching the listener and both have their sirens on. The listener measures 9.0 beats per second. Find the speed of the approaching police car. The speed of sound is 340 m/s.
The largest presently known redshifts of quasars are close to
A) 0.96. B) 3. C) 7. D) 10. E) 65.
In a section of horizontal pipe with a diameter of 3.00 cm the pressure is 5.21 kPa and water is flowing with a speed of 1.50 m/s. The pipe narrows to 2.50 cm
What is the pressure in the narrower region if water behaves like an ideal fluid of density 1000 kg/m3? A) 4.00 kPa B) 7.50 kPa C) 5.82 kPa D) 6.42 kPa E) 4.61 kPa
An electron orbiting a hydrogen atom in the second energy level drops down a level, and a photon is emitted. What is the frequency of the photon? (Planck's constant, h, should be in units of eV.)