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PtichkaEL [24]
3 years ago
10

A ham radio operator broadcasts at a frequency of 3.0 × 108 Hz. The speed of an electromagnetic wave is a constant, 3.0 × 108 m/

s.
What is the wavelength?


6.0 m


9.0 m


1.0 m


0.1 m
Physics
2 answers:
Andreas93 [3]3 years ago
6 0
1 meter because speed = wavelength * frequency and since we must find wavelength then it’s just
Speed/frequency which is 3*10^8/3*10^8 which is then 1
Andreyy893 years ago
5 0

Answer: 1.0 m

Explanation:

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Answer: Hence, the final temperature is 350 K

Explanation :

To calculate the final temperature of the system, we use the equation given by Gay-Lussac Law. This law states that pressure of the gas is directly proportional to the temperature of the gas at constant pressure.

Mathematically,

\frac{P_1}{T_1}=\frac{P_2}{T_2}

where,

P_1\text{ and }T_1 are the initial pressure and temperature of the gas.

P_2\text{ and }T_2 are the final pressure and temperature of the gas.

We are given:

P_1=880mmHg\\T_1=20^0C=(20+273)K=293K\\P_2=1050mmHg\\T_2=?

Putting values in above equation, we get:

\frac{880mmHg}{293K}=\frac{1050mmHg}{T_2}\\\\T_2=350K

Hence, the final temperature is 350 K

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