A 90W immersion heater is used to supply energy for 5 min...
A 90W immersion heater is used to supply energy for 5 minutes. The energy supplied is used to completely melt 160g of a solid at its melting point. Calculate the specific latent heat of the solid.
2.81jg-1
6.25Jg-1
8.89Jg-1
168.75Jg-1
5333.33Jg-1
Correct answer is D
pt = ml 80
90 x 5 x 60 = 160 x L
L = 27000160
= 168.75Jg-1
= 168.75
The velocity ratio of an inclined plane where angle of inclination in θ is ...
An 800 kg car moving at 80 km hr−1 collides with a 1200 kg car moving at 40 km hr−1&nb...
The instrument used in the measurement of atmospheric pressure is? ...
A certain radioisotope of 23592U emits four alpha particles and three beta particles. The ...
For which of the underlisted quantities is the derived unit ML2T2 correct? i. momentum of a force...
The lower fixed part of a faulty thermometer reads 2°C while the upper fixed point is 100°C....
Which of the following liquid is a poor conductor of electricity? ...