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kenny6666 [7]
2 years ago
8

Upon what does the energy of a quantum depend?

Physics
1 answer:
Lina20 [59]2 years ago
3 0

Answer:

the answer is number 3 or C.

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Is frequent anger a problem for you? If so, what strategies could you try to<br> overcome it?
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I tend to slap thicc trees a#ss

Explanation:

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How much heat energy is produced by 0.5 Wh of electrical energy ?
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1.7 Btu

1 watt = 3.41214 Btu/h

1watt * 1h = 3.41214 Btu/h * h

1 = 3.41214 Btu/ (watt*h)/

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Why is it not necessary for radio telescope surfaces to be as smooth as a mirror?
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100 joule of heat produced each 1 secomd on 4ohm find the potential difference ​
irakobra [83]

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20 V

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Power is 100 J/s or 100 W.

We know that P = IV = \frac{V^{2} }{R} .

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8 0
3 years ago
Radar uses radio waves of a wavelength of 2.9 m . The time interval for one radiation pulse is 100 times larger than the time of
Mandarinka [93]

Answer:

145 m

Explanation:

Given:

Wavelength (λ) = 2.9 m  

we know,

c = f × λ  

where,

c = speed of light ; 3.0 x 10⁸ m/s

f = frequency  

thus,

f=\frac{c}{\lambda}

substituting the values in the equation we get,

f=\frac{3.0\times 10^8 m/s}{2.9m}

f = 1.03 x 10⁸Hz  

Now,

The time period (T) = \frac{1}{f}

or

T =  \frac{1}{1.03\times 10^8}  = 9.6 x 10⁻⁹ seconds  

thus,

the time interval of one pulse = 100T = 9.6 x 10⁻⁷ s  

Time between pulses = (100T×10) = 9.6 x 10⁻⁶ s  

Now,

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Hence, the shortest distance will be half the distance travelled by the pulse back and forth.

Distance = speed × time = 3 x 10^8 m/s × 9.6 x 10⁻⁷ s) = 290 m {Back and forth}  

Thus, the minimum distance to target = \frac{290}{2} = 145 m

6 0
3 years ago
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