The time for one complete cycle of a periodic process to take place is called
a. amplitude
b. frequency
c. period
d. wavelength
e. speed
[Ques. 2] What did Isaac Newton believe about the nature of light?
a. That light was a force.
b. That light consisted of waves.
c. That light was a stream of particles.
d. That light was a fluid found in matter.
e. Newton had no theories about light.
[Ques. 3] The number of cycles of a periodic process that occur per unit time is called
a. amplitude
b. frequency
c. period
d. wavelength
e. speed
[Ques. 4] A reflecting telescope differs from a refracting telescope by using:
a. a concave mirror.
b. a convex mirror.
c. a system of five converging lenses.
d. two converging lenses.
e. a single converging lens.
[Ques. 5] In expressions like v and t stands for
a. change in
b. triangle
c. a constant of proportionality
d. a variable
[Ques. 6] What component is combined with the converging lens to construct a light microscope?
a. A focusing tool for the lens.
b. A second, diverging, lens.
c. A second, converging, lens.
d. A concave mirror.
e. A convex mirror.
[Ques. 7] How many megabytes are there in a gigabyte?
a. 10
b. 1000
c. 1000000
d. none of the above
[Ques. 8] On a prescription for eyeglass lenses, what does the quantity expressed in diopters refer to?
a. The thickness of eyeglass lenses.
b. The limitations of the person's eyes.
c. The width of the eyeglass lens.
d. The strength of eyeglass lenses.
e. The curvature of eyeglass lenses.
[Ques. 9] Two microcuries is
a. 200,000 Ci
b. 0.0002 Ci
c. 0.00002 Ci
d. 0.000002 Ci
e. 0.00000002 Ci
[Ques. 10] The image formed by a candle located outside the focal point of a converging lens is real, inverted, and may be magnified or reduced in size, as shown. How could you experimentally distinguish between a real and a virtual image?
a. A real image will be projected on a piece of paper placed at the position of the image.
b. A virtual image will be projected on a piece of paper located at the position of the image.
c. One cannot distinguish between the two; both a. and b. are correct.
d. One cannot distinguish between the two; both a. and b. are incorrect.
Quick Reply
