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Chemistry, 31.10.2020 17:40 RavenousLlama

PLS HELP ME ASAP MOST ANSWERS GET BRAINLIEST Some answers have been filled out by me bc ik how to do them, and its a bit less work for some yall.

4. A wave has a frequency of 100,000,000,000,000 Hz. What is its:

a) wavelength (in m and µm)

3x10-6m

b) its period and

1x10-14s

c) what type of wave is it?

5.

a) what type of wave has a λ =1 micrometer

infrared

b) what type of wave has a λ = 1 nanometer

x-ray

c) what type has a λ = 0.1 A

d) what type of wave has a V = 108Hz

e) what type of wave has a V of 1015Hz

6. A wave is 0.01 m long. What is its

a) frequency and

1x10-2

b) what type of wave is it?

Microwave

7. 100 MHz FM radio wave.

a) what is its ʎ

1x108Hz

b) energy of one photon (Eph)

-1014

c) total energy of 1x1018 photons (Etot)

6.626x10-2J

8.

a) how much energy is in single photon of Gamma ray (λ = 0.1 A)

6.626x10-14J/s

b) how much total energy in 5x1030 photons?

1x1018J

9. If 8x1020photons of Microwaves (λ = 0.01 m) are emitted in 10 seconds,

what is the:

a) Eph

b) Etot

c) Power

10. If 8x1020 photons of X-rays (λ = 1 nm) are emitted in 2 seconds, what is the:

a) Eph

b) Etot

c) Power

13. What is the power of 3x1021 photons of Microwaves (ʎ = 0.03 m) emitted in 2 s?

15. How many times more energetic are X-rays than Microwaves (compare answers in 9 a and 10 a).

16. How many times more energetic is a single photon of violet light (λ = 100 nm) than Radio wave (λ = 1 m)?

17. How many times more energetic is a single photon of Gamma ray (V = 1019 Hz) than a Microwave (V = 1010 Hz)?

18. Why is C (speed of light) a constant? Explain in terms of the inverse relationship of ʎ and V (constant product).


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