Which statement about photons is true?
A) An infrared photon has less energy than an x-ray photon, but travels at the same speed.
B) An infrared photon has less energy than an x-ray photon, and travels more slowly.
C) An infrared photon has more energy than an x-ray photon, and travels more quickly.
D) An infrared photon has more energy than an x-ray photon, but travels at the same speed.
A) An infrared photon has less energy than an x-ray photon, but travels at the same speed.
You might also like to view...
Jupiter, Saturn, Uranus and Neptune are only located at a distance of 1 AU or less from the Sun
a. True b. False Indicate whether the statement is true or false
You observe an object to be moving in a straight line at a constant speed. What can you conclude? (Assume the object does not have any engines or other power source.)
A) The net force acting on the object is zero. B) No forces of any kind are acting on the object. C) The only force acting on the object is gravity. D) The only force acting on the object is air resistance. E) Some unseen force must be keeping the object in motion.
A person with limited accommodation is prescribed lenses of power –3.0 diopters for distant vision. Bifocal inserts are added to these lenses to allow vision at 50 cm. What is the power of the inserts?
a. –1.0 diopters b. 2.0 diopters c. 5.0 diopters d. 50 diopters e. This does not work with negative diopter distance lenses.
A single slit of width 0.030 mm is used to project a diffraction pattern of 500 nm light on a screen at a distance of 2.00 m from the slit. What is the width of the central maximum?
A. 1.7 cm B. 3.3 cm C. 6.7 cm D. 1.5 mm E. 3.0 mm