A possible wavelength for the color blue is 0.000000492 meter. Which of the following is a reasonable estimate for this waveleng

Question

2 years ago

6

th for the color blue?
A. 5 × 10-6 m
B. 5 × 107 m
C. 5 × 10-7 m
D. 5 × 106 m

2 answers:

CaHeK987 [17] · Answer 1 · 2022-02-17T23:58:53+03:00

8 0

The answer is B. 5 x 107 m. I did the test.

Alja [10] · Answer 2 · 2022-02-18T02:08:46+03:00

Alja [10]2 years ago

6 0

For this case we must find a reasonable estimate, in scientific notation, for a wavelength given by:

0.000000492 meters

If we roll the decimal seven spaces to the right we have:

$4.92 * 10 ^ {- 7}\ m$

The exponent is negative.

The expression can be written as:

$5 * 10 ^ {- 7}\ m$

Answer:

Option C