The background radiation in space corresponds to what temperature blackbody radiation?

A. 0 K

B. 2.7 K

C. 273 K

D. 5800 K

E. 98.6F


B. 2.7 K

Physics & Space Science

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The Sun is a star in the Milky Way Galaxy

a. True b. False Indicate whether the statement is true or false

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Capacitors in Combination: Three capacitors of capacitance 5.00 ?F, 10.0 ?F, and 50.0 ?F are connected in series across a 12.0-V potential difference (a battery).(a) How much charge is stored in the 5.00-?F capacitor?(b) What is the potential difference across the 10.0-µF capacitor?

What will be an ideal response?

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A boy kicks a football from ground level with an initial velocity of 20 m/s at an angle of 30° above the horizontal. How long does it take for the ball to rise to the highest point of its trajectory?

A) 1.0 s B) 1.8 s C) 2.0 s D) 3.5 s E) 0.5 s

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Laser light is ________ and monochromatic, and usually of much ________ intensity than the light from the light bulb

a. coherent b. incoherent c. lower d. higher

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