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OtisamLMS
Physics

Physics · Quick practice · answer shown after each question

Measurement of heat

Question 1 of 10

Question 1 of 10

Energy needed to melt 2 kg of ice at 0 °C (L = 3.36 × 10⁵ J/kg) is

Question 2 of 10

Question 2 of 10

How much heat is needed to change 0.5 kg of ice at 0 °C to water at 20 °C? (L = 3.36 × 10⁵ J/kg; c = 4,200 J/kg K)

Question 3 of 10

Question 3 of 10

The heat capacity of a body is the heat needed to

Question 4 of 10

Question 4 of 10

Heat capacity is the heat needed to raise the temperature of

Question 5 of 10

Question 5 of 10

Steam at 100 °C causes worse burns than boiling water at 100 °C because steam

Question 6 of 10

Question 6 of 10

In the method of mixtures, it is assumed that

Question 7 of 10

Question 7 of 10

How much heat is needed to raise the temperature of 2 kg of water by 10 °C? (c = 4,200 J/kg K)

Question 8 of 10

Question 8 of 10

The specific heat capacity of a 2 kg metal block that needs 18,000 J to rise by 20 K is

Question 9 of 10

Question 9 of 10

The heat needed to change 1 kg of a solid to liquid at its melting point is the

Question 10 of 10

Question 10 of 10

How much heat is needed to melt 2 kg of ice at 0 °C? (Specific latent heat of fusion = 3.4 × 10⁵ J/kg)

Questions written by OtisamLMS in the style of the WASSCE. They are not WAEC past questions.