Short Question Answer | CRQ's Unit 10 class 10 physics National book foundation

Описание: Playlist Class 10 NBF
   • Federal Board Class 10  

Unit 10 Numericals 👇
   • Unit 10 |  Heat Capacity & Modes of Heat t...  

00:00 Unit 10 NBF

00:14 QUESTION 1
a. How do increased temperatures lead to more frequent heat waves in cities?

b. How might the intensity of future hurricanes change if global temperatures continue to rise?

c. Explain what the glass roof of a greenhouse and carbon dioxide in Earth’s atmosphere have in common in terms of heat and temperature.

02:40 QUESTION 2
a. Create line graphs of temperature (on the y-axis) and time (on the x-axis) for both water and iron on a graph sheet. Be sure to label the substances.

b. Based on the data in the table, which heats up quickly: water or metal?

c. Which do you think will cool more slowly: water or iron? Elaborate your answer.

d. When you boil water in an iron pot on the stove, which heats up faster: the iron pot or the water? Provide a reason for your response.

05:24 Short Response Questions

Q1. Why should we wear dark-coloured clothes in winter and white-coloured clothes in summer?

Q2. In a house, geysers or water boilers are fitted on the ground floor, and still, we get warm water on the top floor without using a pump. How is it possible?

Q3. Where will you get more heat from the wood fire, 1 meter above the woods or 1 meter from the front of the woods?

Q4. Why do crowded city areas feel hotter compared to the outskirts on a hot summer day?

Q5. Why is the metallic handle of a door colder than the wood of the same door when touched?

Q6. How do trees help reduce the effects of climate change, and what could happen if forests are destroyed?

Q7. How does gravity contribute to the Earth’s core temperature?

Q8. Why do certain gases in the atmosphere trap more heat than others?

Q9. What are the potential environmental impacts of extraction of geothermal energy?

Q10. How does the specific heat capacity of different materials affect their use in cookware?

Q11. Water at 20 °C is sent deep underground into heated layers, where it turns into a mix of steam and hot water at 100 °C. As the steam and hot water cool back down to 20 °C, why does 1 kg of steam release more energy than 1 kg of hot water?