综合试卷（Comprehensive test paper）.doc

综合试卷（Comprehensive test paper） Name: class: Physics examination in 2011 The marking points Item number 1234 total score Score A total of 12 people, nearly every day 2 points, a total of 24 points. 1. CCTV Grand Prix, there is a perception problem: listen to the music first, after the judgment of the music which is a musical instrument, which is mainly to examine the ability to identify a musical singer, is based on the () A. loudness, B. tone, C. tone, D. sound speed 2. in the four pictures shown in Figure 1, respectively, the hyperopia imaging and correction practices are () A. 1, B. 1, C. 2, D. 3, 4 3. Yang Fei students riding an ordinary bicycle, driving at a speed on the straight road, if the car he and the resistance is 20N, it is usually the case, the power consumption when riding the closest (Yang Fei) A.1W B.0W C.100W D.1000W 4., motor is a high efficiency, low pollution power equipment. The four experimental devices shown in Fig. 2 have a direct effect on the invention of the motor 5., the same egg has been placed in a, B, two cups of different concentrations of salt water, eggs in a cup in a suspended state, in the second glass in a floating state, as shown in Figure 3, it is certain that () A. a glass brine density is smaller than that of B glass brine B. a glass brine density is greater than that of B cup brine C. the eggs are less buoyant than the egg The eggs of D. are more buoyant than those of B. eggs 6. in the inquiry into factors affecting the size of conductor resistance, Xiaoqiang found that only one wire in the experimental apparatus and enough other equipment. If he was asked to complete some of the following experimental inquiry activities, what he could not have accomplished was () A. to explore the relationship between conductor resistance and length B. to explore the relationship between resistance size and cross-sectional area C. exploring the relationship between conductor resistance and materials D. explores the relationship between cond