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单选题 某种介子静止时寿命为10-8 s, 质量为10-25 kg.若它以2×108 m×s-1 的速率运动, 则在它一生中能飞行的距离为 m
C. 
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学科：大学物理（下）（天津大学）
时间：2023-05-07 09:45:34
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题目1单选题
在康普顿散射中, 若散射光子与原来入射光子方向成ϴ角,当ϴ等于什么时, 散射光子的频率减少最多A. <img src="https://tihai-oss-cloud.itihey.com/img/6709ceb9ca2d1e8a18e38cd9b4f972af.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/ac62f45a651832d2d00629ae900812c2.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/e68f4ca49cd2feed058315c757dcdbc9.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/6cafa7056e8629c4120c64b38575626c.png">
题目2单选题
在杨氏双缝干涉试验中,如果用一很薄的玻璃片覆盖其中的一个狭缝,则A. 干涉条纹移动,条纹宽度不变B. 干涉条纹移动,条纹宽度变动C. 干涉条纹中心不动,条纹宽度不变D. 干涉条纹中心不动,条纹宽度变动
题目3单选题
一衍射光栅对某一定波长的垂直入射光,在屏幕上只能出现零级和一级主极大,欲使屏幕出现更高级次的主极大,应该A. 换一个光栅常数较小的光栅B. 换一个光栅常数较大光栅C. 将光轴向靠近屏幕的方向移动D. 将光轴向远离屏幕的方向移动
题目4单选题
<img src="https://tihai-oss-cloud.itihey.com/img/932b17687ab3f655a6eaed729a0446c6.png"><img src="https://tihai-oss-cloud.itihey.com/img/6700af9a0fa08e9c4619e740255a9e02.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/fb341916a27ba1867a0e835ed74f7674.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/4805fdb5393b9efad4de11de04550a25.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/cff7eead6a47c7a208b0672fa9de3309.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/ba5322a68b660e7cdf5bbadbe0030efa.png">
题目5单选题
质点作简谐振动,振动方程为<img src="https://tihai-oss-cloud.itihey.com/img/056958c0e3ed6c70c65e3a8bdc683429.png">, 当时间t = T/2(T为周期)时,质点的速度为A. <img src="https://tihai-oss-cloud.itihey.com/img/6047c3ccba2133797e6b78385c8d98c7.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/e8c25067fd8b5ec99ed8ddd2bc836321.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/aad8209c7bb06c3f3868b95f2d1cdcc5.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/d2b5fee1e90a8bfa359e682ba9886ffa.png">
题目6单选题
光的衍射条纹可以用什么理论解释A. 波传播的独立性原理B. 惠更斯原理C. 惠更斯--菲涅尔原理D. 半波带法
题目7单选题
<img src="https://tihai-oss-cloud.itihey.com/img/621cc4fd94a354cacdbe1e7a6995ece6.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/1487ae421f5a81f4f3121b9d20d6ad0b.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/a3da53d20020485e8816dd976d5b78d5.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/8267226a0909daca1d3d193bca2b91d1.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/440033255b2ebab307caf9bebda4e597.png">
题目8单选题
一束波长为<img src="https://tihai-oss-cloud.itihey.com/img/04f4c7e0b48377772b1a4cdf472755c9.png">的单色光从空气垂直入射到折射率为n的透明薄膜上,要使反射光线得到增强,薄膜的厚度应为A. <img src="https://tihai-oss-cloud.itihey.com/img/44e8f8b8a1a7e81afda89c8ab6e6eea7.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/19da041d9ba42e3ab86074fcb7802ab5.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/23effcd829b27b844b2c397d074c3b3d.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/3a3b386cc4fd4473ea5d8d323fce4a0b.png">
题目9单选题
<img src="https://tihai-oss-cloud.itihey.com/img/e52d714d30db92653e0125c6e49138c6.png"><img src="https://tihai-oss-cloud.itihey.com/img/b6bd1726f24d12ebde9a420392999580.png">A. <img src="https://tihai-oss-cloud.itihey.com/img/1d2b49a7ee7fc3e831b5f1a4e37f7ccc.png">B. <img src="https://tihai-oss-cloud.itihey.com/img/f07638b4b9a7f32e1bf23d256fe1d095.png">C. <img src="https://tihai-oss-cloud.itihey.com/img/cfe5571e08da2e10ebfc2a154cee429d.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/409b550f87d0a8182f9d61e9c4cc070d.png">
题目10单选题
某种介子静止时寿命为10-8 s, 质量为10-25 kg.若它以2×108 m×s-1 的速率运动, 则在它一生中能飞行的距离为 mA. 10-3B. 2C. <img src="https://tihai-oss-cloud.itihey.com/img/a4447381599752f66908d7b69fd4f55c.png">D. <img src="https://tihai-oss-cloud.itihey.com/img/83800c52e95366766193152c81e39bd3.png">
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