MULTIPLE CHOICE&SHORT; ANSWERS Identify the choice that best completes the state

Question

MULTIPLE CHOICE&SHORT; ANSWERS Identify the choice that best completes the statement or answers the question. Also, you must show work to receive ANY credit. 1. Which of the following wavelengths of electromagnetic radiation has the highest energy? A) 450. nm B) 225 nm C) 3.50 x 10m D) 8.40 x 10-7m E) 2.50 x 10-5 m 2. Which of the following frequencies of light has the highest energy? A) 2.5 x 1010 s B) 7.0 x 1013 C) 2.3 x 1014 s D) 5.0 x 1014s E) 1.4 x 1015 s 3. what is the wavelength of radiation that has a frequency of 5.39 10s m/s) A) 1.80 x 10-3 nm B) 556 nm C) 618 nm D) 6180 nm E) 1.61 x 1023nm 1014 s-1, (c 2.99798 4. What is the wavelength of radiation that has a frequency of 3.4 x 10 s-12 A) 8.8 x 10-4 nm B) 8.8 x 10 nm C) 8.8 x 10-13 nm D) 1.0 x 10 nm E) 10 x 10-9 nm Page 1

Explanation / Answer

Answer 1- B

Explanation - Energy is inversely proportion to wavelength. So lower the wavelength ,higher energy.

2. E

Explanation- Energy is directly proportion to frequency. So higher the frequency ,higher is energy

3. (B)Wavelength = c/frequency

= 2.99×108/5.39×1014 => 556 nm

4. Wavelength = 2.99×108/3.4×1011

. => 8.8×105 nm

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