A 500W heater is used to heat 0.6kg of water from 25^oC to 100^oC in t₂ seconds. If another 1000W heater is used to heat 0.2kg of water from 10^oC to 100^oC in t, seconds, find \(\frac {t_1}{t_2}\)

Similar Questions

A body of mass 5kg initially at rest is acted upon by two mutually perpendicular forces 12N and 5N a...

What optical instrument can best be constructed with converging lenses of focal lengths 50cm and 5cm...

Which of the following devices may be used to step up the voltage in a d.c. circuit? ...

The vacuum in a thermos flask helps to reduce heat transfer by? ...

A circuit is set up as shown in the diagram above. When the key is closed, the ammeter reading will ...

Which of the following statements about defects of vision is/are CORRECT? i. for a long sighted p...

Calculate the temperature change when 500J of heat is supplied to 100g of water ...

A battery of e.m.f 3.0V is connected across a potentiometer wire AB of length 10\(\Omega m^{-1}\) as...

The diagram above shows two capacitors P and Q of capacitance 5μF and 10μF. Find the charges s...

The secondary pigments consist of? ...