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s2008m [1.1K]
4 years ago
6

As the temperature of an object increases, the wavelength of the brightest light emitted _______

Physics
1 answer:
alexira [117]4 years ago
4 0

Answer:

option (B) decreases

Explanation:

According to the Wein's displacement law, the minimum wavelength of the radiated emission is inversely proportional to the absolute temperature of the body which emits radiation.

\lambda_{m}\alpha \frac{1}{T}

Where, T is the absolute temperature of the body and λm is the minimum wavelength of heat radiated.

Here, as the temperature increases, the wavelength decreases.

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A student does an experiment with a pendulum. in the first trial, she displaces the pendulum 5 cm. In the second trial, she disp
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4 0
4 years ago
Read 2 more answers
Riders in a carnival ride stand with their backs against the wall of a circular room of diameter
Veseljchak [2.6K]

Answer:

option C

Explanation:

given,

diameter of circular room = 8 m

rotational velocity of the rider = 45 rev/min

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                  =4.712 rad/s

here in this case normal force is equal to centripetal force

N = m r ω²

N = m x 4 x 4.712²

N = 88.83m

frictional force = μ N

    = 88.83m x μ

now, for the body to not to slide

gravity force is equal to frictional force

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g = 88.83 x μ

9.8 = 88.83 x μ

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hence, the correct answer  is option C

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