四川省攀枝花市2019-2020学年高二上学期普通高中教学质量监测物理试题（PDF版）

1 攀枝花市攀枝花市攀枝花市攀枝花市 年度年度年度年度（（（（上上上上））））普通高中教学质量监测普通高中教学质量监测普通高中教学质量监测普通高中教学质量监测 高二物理参考答案及评分标准高二物理参考答案及评分标准高二物理参考答案及评分标准高二物理参考答案及评分标准 一、选择题选择题选择题选择题：：：：本题本题本题本题 7 小题小题小题小题，，，，每题每题每题每题 3 分分分分，，，，共共共共 2 1 分分分分。。。。 题号 1 2 3 4 5 6 答案 A C C B D A 二二二二、、、、 选择题选择题选择题选择题：：：：本题共本题共本题共本题共 6 小题小题小题小题，，，，每小题每小题每小题每小题 3 分分分分，，，，共共共共 1 8 分分分分。。。。每小题全选对的给每小题全选对的给每小题全选对的给每小题全选对的给 3 分分分分，，，，选对不全的给选对不全的给选对不全的给选对不全的给 1 . 5 分分分分，，，，有选错或不答的不给分有选错或不答的不给分有选错或不答的不给分有选错或不答的不给分 题号 7 8 9 1 0 1 1 1 2 1 3 答案 D C C B C A C B D A D 三三三三、、、、实验本题共实验本题共实验本题共实验本题共 2 小题小题小题小题，，，，共共共共 1 5 分分分分1 4 ． ( 1 ) B （2 分） ( 2 ) S （2 分），1 5 ． ( 1 ) 4 . 4 （2 分） ( 2 ) C （2 分），( 3 ) 1 . 8 0 （ 1 分） 0 . 4 5 （ 1 分） ( 4 ) 4 （2 分） ( 5 ) 1 . 1 3 × 1 0 � 6 （3 分） 四四四四、、、、计算题计算题计算题计算题 1 6 ．（ 1 0 分）解： （ 1 ）带电微粒处于静止状态：E q m g = " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 2 分)U E d = " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 2 分)& 1 1= 2 1 0 Cq × " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 1 分) （2 ）带电微粒从静止到上金属板，由动能定理：q U 1 1 m g d = 12 m v2 " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 3 分) v = 1 m / s " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 2 分)1 7 ．（ 1 0 分）解： （ 1 ）金属杆匀速下滑，电流的功率等于金属杆重力的功率s i nP m g θ= v " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 2 分)P = 0 . 2 5 W " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 2 分) （2 ）金属杆匀速下滑 :s i nm g Fθ = " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 1 分)F B I l = " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 1 分)EI R = " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " ( 1 分)E = B l v ����������������������������������������������� ( 1 分)B = 0 . 1 T " " " " " " " " " " " " " " " "