B. Short answer type questions.
1. Give reason for the following:
1) The metal knob feels colder than the wooden knob at the same temperature.
ii) The appearance of fuel tank is usually shiny and smooth.
iii) A hot air balloon rises up in the sky.
iv) The water pipe in a solar water heater is bent into the shape as
given in the picture.
2. A student tested a new liquid to decide whether it is suitable for use in a liquid-in-glass
thermometer. It is found that the liquid does not expand uniformly with temperature. What
will be the effect of this on the scale of temperature?
Name any two liquid-in-glass thermometers. How do they differ from each other?
R
Answers
Answered by
4
Answer:
1 because it absorb more heat the n wood 3 because the density of gas in it is less than the density of air so il rises
Answered by
2
Answer:
Welcome to Gboard clipboard, any text that you copy will be saved here.Tap on a clip to paste it in the text box.Touch and hold a clip to pin it. Unpinned clips will be deleted after 1 hour.Use the edit icon to pin, add or delete clips.
Similar questions