Which of following statements about the image formed by a single diverging lens are true? (There could be more than one correct choice.)
A) The image is always real.
B) The image is always virtual.
C) The image is always inverted.
D) The image is always upright.
E) The image is always smaller than the object.
B, D
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The frequency of blue light is ________ that of green light.
A. less than B. greater than C. the same as D. greater than, the same as, or less than, depending on a source of light
The smallest high tides occur when the Moon phase is
A) first or third quarter. B) new. C) full. D) waxing or waning crescent. E) waxing or waning gibbous.
For the ground state of the hydrogen atom, which of the following numbers represents the correct value of the orbital angular momentum quantum number?
A) -2 B) -1 C) 0 D) 2 E) 1
A certain unstable particle has a mean lifetime of 1.52 × 10-6 s. This is the time interval between its creation in a nuclear process and its extinction into decay products, as measured in a frame of reference at rest with respect to the particle
An average such particle is observed by a scientist on Earth to travel 342 m in its lifetime. What is the speed of the particle relative to Earth? (c = 3.00 × 108 m/s) A) 0.821c B) 0.681c C) 0.600c D) 0.551c E) 0.335c