At what temperature ice converts into water ?
A) 0°C
B) -20° C
C) 100°C
D) 50°C
1 Answers
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This converts the light energy into chemical energy. A) Lysosomes
Correct option is C) Chloroplast
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The final temperature of a mixture of 100g of water at 30°C temperature and 100g of water at 60°C temperature is ………………………
Correct option is A) 45° C
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At what temperature water converts into water vapour
Correct option is C) 100° C
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When ‘m’ g of ice is added to ‘M’ g of water at 20 °C, state the conditions for m and M for which i) temperature of the mixture remains 0° C.
The heat lost by water in going from 20 °C to 0°C, Q1 = Msw ∆T = \(\frac{M}{1000}\) × 4.2 × 103 × (20) = 84M J Now, heat required to convert m g of ice into water...
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A piece of ice falls from a height h so that it melts completely. Only one — quarter of the heat produced is absorbed by the ice and all energy
(A) 136 km When the piece of ice falls from the height h, it possesses potential energy, mgh. This P.E. is converted to heat energy. ∴ Q = mgh But only \(\frac{1^{th}}{4}\) of it is absorbed...
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A device that converts one form of energy into another form is termed as ……………
Correct option is: (A) transducer
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A microphone which converts sound into electrical signal is an example of .
(D) an electrical transducer
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In an iron box ……………….. energy converts into ………………… energy.
C) electrical, heat
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Which converts milk into curd?
D) Lactobacillus
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A conical cup when filled with ice-cream forms a hemispherical shape on its open end. Findthe volume of the ice-cream, if the radius of the base of th
Correct Answer - C Requierd volume = Volume of cone + Volume of sphere.
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