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kiruha [24]
3 years ago
11

Water is boiling in a pan at 100 oC. If heat is transferred to the pan at a rate of 2 kW, how much water, in kg, will evaporate

in 10 minutes?
Physics
1 answer:
Zinaida [17]3 years ago
4 0

Answer:0.531 kg

Explanation:

Heat absorbed by water in 10 minutes is 10*60*2=1200Kj

As latent heat of evaporation is 2260 kj/kg

Now water evaporation in 10 minutes would be 1200/2260 =0.531 kg

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7 0
2 years ago
Light is incident along the normal to face AB of a glass prism of refractive index 1.54. Find αmax, the largest value the angle
marusya05 [52]

To solve this problem it is necessary to use the concepts related to Snell's law.

Snell's law establishes that reflection is subject to

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The total internal reflection would then be given by

n_1 sin\theta_1 = n_2sin\theta_2

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sin\theta_1 = \frac{1.33}{1.54}

\theta = sin^{-1}(\frac{1.33}{1.54})

\theta = 59.72\°

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