Trong thí nghiệm đo nhiệt dung riêng của nước, số chỉ nhiệt lượng mà nước trong bình nhiệt lượng kế thu được lấy từ
Trong thí nghiệm đo nhiệt dung riêng của nước, số chỉ nhiệt lượng mà nước trong bình nhiệt lượng kế thu được lấy từ
Trong thí nghiệm đo nhiệt dung riêng của nước, số chỉ nhiệt lượng mà nước trong bình nhiệt lượng kế thu được lấy từ
nhiệt kế điện tử hoặc cảm biến nhiệt độ.
bộ đo công suất nguồn điện có tích hợp chức năng đo thời gian.
nhiệt lượng kế bằng nhựa có vỏ xốp, kèm dây điện trở.
cân điện tử.
Hãy suy nghĩ và trả lời câu hỏi trước khi xem đáp án
Số chỉ nhiệt lượng sẽ được tính thông qua công thức Q=P.t. Như vậy, để có được số chỉ của nhiệt lượng, ta cần đo gián tiếp thông qua công suất dòng điện và thời gian dòng điện chạy qua bằng dụng cụ là bộ đo công suất nguồn điện có tích hợp chức năng đo thời gian.
Bộ Đề Kiểm Tra Tham Khảo Giữa Học Kì I - Môn Vật lí 12 - Kết Nối Tri Thức được biên soạn và tổng hợp những kiến thức cơ bản đã học nhằm giúp học sinh củng cố kiến thức, đánh giá năng lực, và chuẩn bị tốt hơn cho các kỳ thi quan trọng sắp tới.
Câu hỏi liên quan
Read the following passage and choose the correct answer that best fits each of the following blanks.
Scientists from the State University of New York recently conducted a test that found tiny pieces of plastic in bottled water. (28)_________ examined 250 bottles from nine countries and discovered that more than 90% of them (29)_________ microplastic particles. Sometimes, thousands of these tiny plastic pieces were in a liter of water. Only 17 bottles were plastic-free, with an average of ten plastic particles per liter.
The companies responsible for bottled water claim that their production (30)_________ the highest quality standards. However, scientists and doctors express concerns, even though there is no proof that the smallest plastic particles can harm the body. Most of the plastic is turned into waste and leaves the body through feces.
Apart from bottled water, plastic particles (31)_________ in beer, tap water, seafood, and even in the air. Bottled water is currently the fastest-growing beverage globally, with around $150 billion worth sold worldwide. It is essential for millions of people (32)_________ lack access to safe drinking water.
Read the passage and choose the correct answer to each of the following questions.
1. In China, there are reports that many older people still believe in rumors and pseudoscience. Pseudoscience means things that are said, like facts, but are not proven by science. Recently, more scientists and people discussing science have been using the internet to fight against pseudoscience. However, it's hard for younger people to tell older people about it.
2. For example, last year, Dingxiang Doctor, a digital platform that revealed medical rumors online, released 101 articles that disproved common, inaccurate claims. However, many netizens said that when they forwarded the articles to family chat groups, they were questioned, scolded, and even removed from the group by older family members. An online survey last year by Tencent, one of China's biggest online businesses, indicated that nearly 40 percent of middle-aged and senior people had experienced online fraud, mainly related to healthcare products.
3. Yun Wuxin, who knows a lot about food and has been teaching about it for over ten years, thinks that older people didn't get training in thinking critically when they were young. So, they trust personal experiences, tradition, or superstition a lot. Young people today, though, have better training and question things more. Yun Wuxin says using new media like short videos, video blogs, and animations is excellent for young people. But older people still find traditional ways like TV, visits by scientists, neighborhood shows, and science columns in newspapers essential to understand science.
(34) According to paragraph 1, what is the mentioned problem of China?
Read the passage and choose the correct answer to each of the following questions.
1. In China, there are reports that many older people still believe in rumors and pseudoscience. Pseudoscience means things that are said, like facts, but are not proven by science. Recently, more scientists and people discussing science have been using the internet to fight against pseudoscience. However, it's hard for younger people to tell older people about it.
2. For example, last year, Dingxiang Doctor, a digital platform that revealed medical rumors online, released 101 articles that disproved common, inaccurate claims. However, many netizens said that when they forwarded the articles to family chat groups, they were questioned, scolded, and even removed from the group by older family members. An online survey last year by Tencent, one of China's biggest online businesses, indicated that nearly 40 percent of middle-aged and senior people had experienced online fraud, mainly related to healthcare products.
3. Yun Wuxin, who knows a lot about food and has been teaching about it for over ten years, thinks that older people didn't get training in thinking critically when they were young. So, they trust personal experiences, tradition, or superstition a lot. Young people today, though, have better training and question things more. Yun Wuxin says using new media like short videos, video blogs, and animations is excellent for young people. But older people still find traditional ways like TV, visits by scientists, neighborhood shows, and science columns in newspapers essential to understand science.
(35) The word “they” in paragraph 2 refers to ____________.
Read the passage and choose the correct answer to each of the following questions.
1. In China, there are reports that many older people still believe in rumors and pseudoscience. Pseudoscience means things that are said, like facts, but are not proven by science. Recently, more scientists and people discussing science have been using the internet to fight against pseudoscience. However, it's hard for younger people to tell older people about it.
2. For example, last year, Dingxiang Doctor, a digital platform that revealed medical rumors online, released 101 articles that disproved common, inaccurate claims. However, many netizens said that when they forwarded the articles to family chat groups, they were questioned, scolded, and even removed from the group by older family members. An online survey last year by Tencent, one of China's biggest online businesses, indicated that nearly 40 percent of middle-aged and senior people had experienced online fraud, mainly related to healthcare products.
3. Yun Wuxin, who knows a lot about food and has been teaching about it for over ten years, thinks that older people didn't get training in thinking critically when they were young. So, they trust personal experiences, tradition, or superstition a lot. Young people today, though, have better training and question things more. Yun Wuxin says using new media like short videos, video blogs, and animations is excellent for young people. But older people still find traditional ways like TV, visits by scientists, neighborhood shows, and science columns in newspapers essential to understand science.
(36) The word “fraud” in paragraph 2 is closest in meaning to ____________.
Choose the correct answer to fill in the blank in each of the following questions.
After a good night's sleep, people appear more __________ and awake.
Choose the correct answer to fill in the blank in each of the following questions.
The analyst hit the __________ on the head when explaining the economic challenges facing the country.
Choose the correct answer to fill in the blank in each of the following questions.
Vietnam __________ an ASEAN Summit yet, but it aspires to do so in the future.
Choose the correct answer to fill in the blank in each of the following questions.
Despite the challenges, we should never quit __________ our dreams and aspirations.
Read the passage and choose the correct answer to each of the following questions.
1. In China, there are reports that many older people still believe in rumors and pseudoscience. Pseudoscience means things that are said, like facts, but are not proven by science. Recently, more scientists and people discussing science have been using the internet to fight against pseudoscience. However, it's hard for younger people to tell older people about it.
2. For example, last year, Dingxiang Doctor, a digital platform that revealed medical rumors online, released 101 articles that disproved common, inaccurate claims. However, many netizens said that when they forwarded the articles to family chat groups, they were questioned, scolded, and even removed from the group by older family members. An online survey last year by Tencent, one of China's biggest online businesses, indicated that nearly 40 percent of middle-aged and senior people had experienced online fraud, mainly related to healthcare products.
3. Yun Wuxin, who knows a lot about food and has been teaching about it for over ten years, thinks that older people didn't get training in thinking critically when they were young. So, they trust personal experiences, tradition, or superstition a lot. Young people today, though, have better training and question things more. Yun Wuxin says using new media like short videos, video blogs, and animations is excellent for young people. But older people still find traditional ways like TV, visits by scientists, neighborhood shows, and science columns in newspapers essential to understand science.
(37) According to paragraph 3, what does the difference between the younger and older generation's attitude show?
Choose the correct answer to fill in the blank in each of the following questions.
Houses will __________ energy-efficient designs and appliances to reduce environmental impact.
Choose the correct answer to fill in the blank in each of the following questions.
__________ in different eras, family members often had generation gaps, causing misunderstandings.
Write the correct form of the verbs in brackets.
Last year, my parents visited the place where they first met, ________ about their early days together. (reminisce)
Choose the answer that indicates the underlined part that needs correction in each of the following questions.
Embracing new technologies will become increasingly importantly in the future workplace.
Choose the correct answer to fill in the blank in each of the following questions.
Members of ASEAN __________ work together to address common challenges, and Vietnam must play its part.
Write the correct form of the words in brackets.
The use of _________ materials in house construction will be a priority for eco-friendly living. (sustain)
Choose the answer that indicates the underlined part that needs correction in each of the following questions.
Changes in weather patterns threaten affect agriculture and food production, adding to the challenges of climate change.
Choose the answer that is CLOSEST in meaning to the underlined word/phrase in each of the following questions.
Despite generational differences, family members can find common ground when they look up to each other's strengths and qualities.
Choose the answer that is OPPOSITE in meaning to the underlined word/phrase in each of the following questions.
Differences in cultural practices and norms should not hinder the overall unity and cooperation of ASEAN.
Choose the correct answer to fill in the blank in each of the following questions.
Research on longevity continues to explore ways to enhance the quality of life and __________ the lifespan of individuals.
Choose the best sentence that is written from the words and phrases in each of the following questions.
Generational differences, / shape / by / historical events, / influence / perspectives / various issues.