A. less heat escapes from the cooker B. the vapour pressure in the cooker is constant C. the rice is…
A. saturation vapour pressure of water is higher than at sea-level B. sun adds more heat to the water C.…
A. precipitation B. vaporization C. fusion D. sublimation E. condensation Correct Answer: Option B - vaporization
A. volume of the liquid increases B. volume of the liquid decreases C. temperature of the liquid increases D. temperature…
A platinum-resistance thermometer has a resistance of 5Ω at 0°C and 9Ω at l00°C. Assuming that resistance changes uniformly with…
A. 0.20s B. 0.40s C. 0.63s D. 0.80s E. 1.30s Correct Answer: Option B - 0.40s Explanation F = ma…
A. 24N B. 20N C. 16N D. 4N E. 0N Correct Answer: Option C - 16N Explanation T + ma…
A. 3ms−¹ B. 6ms−¹ C. 7ms−¹ D. 15ms−¹ E. 17ms−¹ Correct Answer: Option B - 6ms−¹ Explanation M1U = (M1…
A. mr/v B. (mr)²/v C. mv²/r D. mv/r² E. mv/r Correct Answer: Option C - mv²/r
A. 1:50 B. 3:20 C. 3:4 D. 4:3 E. 20:3 Correct Answer: Option C - 3:4 Explanation Rx = 15/0.2…