A "burning glass" used to concentrate sunlight in a tiny spot is a
A) converging lens.
B) diverging lens.
C) either of these
D) neither of these
Answer: A
Physics & Space Science
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In the NSOM technique, the letter S stands for:
a. slow. c. scanning. b. small. d. swift.
Physics & Space Science
As the temperature of a wire increases, its ________ also increases.
Fill in the blank(s) with the appropriate word(s).
Physics & Space Science
The smallest unit of life that can survive and reproduce on its own is a(n):
a. atom b. cell c. molecule d. organ e. population
Physics & Space Science
If we accelerate a radioactive isotope of an element in a particle accelerator to a speed close to that of light, what would its observed rate of decay be compared to its rate of decay at rest?
A) faster B) slower C) infinite D) zero
Physics & Space Science