Question

The temperature of water at the surface of a deep lake is 2°C. The temperature expected at the bottom is
(a) 0 °C
(b) 2 °C
(c) 4 °C
(d) 6 °C

Answer 1

Answer:

It depends upon a number of factors—how deep is the lake, how long has the temperature been at (or below) 2 C, is there any movement in the water, are there any streams entering or leaving the lake? For deep lakes with no heat sources and no movement, the temperature at the bottom will be 3.98 C, approx(4)celcius because water at that temperature is at its most dense.

c) . Option will be correct

Explanation:

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Answer 2

Answer is Option (c)

Explanation:

• The temperature at the bottom of the lake is more than the temperature on the surface of the lake. Water gets its maximum density at 4°C.

• Above or below 4°C, the water is less dense. So the expected temperature at the bottom is 4°C

• At 4°C, the density of water is maximum, which means or signifies that water (or ice) at less than or more than 4 shows minimum density.
• With increasing density we've ordered matter in decreasing order, hence it'll be found at the bottom, below water at 4°C.