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OtisamLMS
Physics

Physics · Quick practice · answer shown after each question

Specific heat capacity and latent heat

Question 1 of 10

Question 1 of 10

Water boils at a lower temperature on a high mountain.

Question 2 of 10

Question 2 of 10

How much heat is needed to raise 0.2 kg of a substance with c = 900 J kg⁻¹ K⁻¹ by 20 K?

Question 3 of 10

Question 3 of 10

Increasing the pressure on water

Question 4 of 10

Question 4 of 10

How much heat is needed to raise 0.5 kg of a substance with c = 400 J kg⁻¹ K⁻¹ by 25 K?

Question 5 of 10

Question 5 of 10

How much heat is needed to raise 0.5 kg of a substance with c = 4,200 J kg⁻¹ K⁻¹ by 10 K?

Question 6 of 10

Question 6 of 10

Impurities raise the melting point of ice.

Question 7 of 10

Question 7 of 10

The heat needed to warm 3 kg of water by 5 K (c = 4,200 J kg⁻¹ K⁻¹) is ___ J.

Question 8 of 10

Question 8 of 10

Evaporation differs from boiling in that evaporation

Question 9 of 10

Question 9 of 10

Sweating cools the body by evaporation.

Question 10 of 10

Question 10 of 10

How much heat is needed to melt 0.2 kg of ice at 0 °C? (L = 3.36 × 10⁵ J/kg)

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