What quantity of heat is required to convert 20 g of ice ...
What quantity of heat is required to convert 20 g of ice at 0 ºC to water at the same temperature? (Specific latent heat of ice = 336 Jg\(^{-1}\))
7.06 x 10\(^{3}\)J
5.38 x 10\(^{3}\)J
6.72 x 10\(^{3}\)J
1.35 x 10\(^{3}\)J
Correct answer is C
quantity of heat = mass * Specific latent heat → 20 * 336
quantity of heat = 6720j or 6.72 x 10\(^{3}\)J
Which of the following statements about photoelectrons is correct? ...
A 40KW electric cable was uses to transmit electricity through a resistor of resistance 2.00Ω ...
The defect of the eye lens which occurs as a result of weak ciliary muscles is called ...
Using the force displacement diagram shown above. Calculate the work done ...
Which of the following is not a part of the electro-magnetic spectrum? ...
Which of the following substances undergoes sublimation? ...
The diagram above is an illustration of an a.c. circuit.Calculate the reactance of the capacito...
Which of the following statements about elastic collision is correct? ...