Which of the following is the combination that is used in the formation of achromatic lenses?
2 answers:
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<h2>Answer: 4200 calories</h2>
Let's start by explaining that 1 Calorie () is defined as a unit of thermal energy that is equivalent to the amount of heat (
) needed to raise the temperature of 1 gram
of water by 1 degree Celsius
.
The formula to calculate it is:
(1)
Where:
is the mass
is the specific heat of the element. In the case of water
is the variation in temperature, which in this case is
Rewriting equation (1) with the known values:
Answer: The velocity of the proton after it has traveled a distance of 80 cm is 5.1 × 10^6 m/s
Explanation: Please see the attachment below
