An ice cube has mass of 20 g at 5°C. Calculate the en...
An ice cube has mass of 20 g at 5°C. Calculate the energy required to raise its temperature to 0°C. [Specific heat capacity of ice = 2.1 J/g°c]
105 J
100 J
42 J
210 J
Correct answer is D
No explanation has been provided for this answer.
Efficiency of a transformer is equal to ...
When the temperature of a liquid is increased, its surface tension? ...
Which of the following is a type of incandescent light source? ...
The colours seen on soap bubbles are due to ...
A radioactive isotope has a decay constant of 10-5s4. Calculate half life ...