Sở giáo dục và đào tạo hải dơng
Trờng thpt bến tắm kiểm tra học kỳ II lớp 10
Họ và tên : . . . . . . . . . . . . . . . . . . . . . . . . . . . Môn : Vật lý

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A A A A A A A A A A A A A A A A A A A A
B B B B B B B B B B B B B B B B B B B B
C C C C C C C C C C C C C C C C C C C C
D D D D D D D D D D D D D D D D D D D D
Phần trắc nghiệm

1. Cụng thc no sau õy khụng phự hp vi quỏ trỡnh ng ỏp ?
A.
T
1
~V
B.
T ~V
C.
2
2
1
1
T
V
T
V
=
D.
3
3

5
Pa
5. Mc bin dng ca thanh rn(b kộo hoc nộn)ph thuc vo
A. di ban u ca thanh B. ln ca lc tỏc dng v tit din ngang ca thanh
C. ln ca lc tỏc dng D. Tit din ngang ca thanh
6. 100g chỡ c truyn nhit lng 260J.nhit ca chỡ tng t 15
0
C n 35
0
C .tớnh nhit dung riờng ca
chỡ(J/kg.)
A. 2 600 J/kg. B. 80 J/kg. C. 65 J/kg. D. 130 J/kg.
7. iu no sau õy l ỳng khi núi v cht rn ?
A. Cỏc phõn t cht rn rt gn nhau B. Lc tng tỏc gia cỏc nguyờn t, phõn t rt mnh
C. Cht rn cú th tớch v hỡnh dng riờng xỏ nh D. C A, B, C u ỳng
8. Trong quỏ trỡnh cht khớ nhn nhit sinh cụng thỡ biu thc
QAU
+=
phi thừa món
A. Q < 0 v A < 0 B. Q > 0 v A > 0 C. Q > 0 v A < 0 D. Q < 0 v A > 0
9. Ni nng ca mt vt l
A. Nhit lng vt c trong quỏ trỡnh truyn nhit
B. Tng ng nng v th nng ca vt
C. Tng ng nng v th nng ca cỏc phõn t cu to nờn vt
D. Tng nhit nng v c nng m vt nhn c trong quỏ trỡnh truyn nhit v thc hin cụng

10. Mt bỡnh cha khớ ụxi nhit 20
0
C v ỏp sut 10
5

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Sở giáo dục và đào tạo hải dơng
Trờng thpt bến tắm kiểm tra học kỳ II lớp 10
Họ và tên : . . . . . . . . . . . . . . . . . . . . . . . . . . . Môn : Vật lý
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
A A A A A A A A A A A A A A A A A A A A
B B B B B B B B B B B B B B B B B B B B
C C C C C C C C C C C C C C C C C C C C
D D D D D D D D D D D D D D D D D D D D
Phần trắc nghiệm
1. Cụng thc no sau õy khụng phự hp vi quỏ trỡnh ng ỏp ?
A.
T
1
~V
B.
T ~V
C.
2
2
1
1
T
V
T
3. Ni nng ca mt vt l
A. Nhit lng vt c trong quỏ trỡnh truyn nhit
B. Tng ng nng v th nng ca cỏc phõn t cu to nờn vt
C. Tng nhit nng v c nng m vt nhn c trong quỏ trỡnh truyn nhit v thc hin cụng
D. Tng ng nng v th nng ca vt
4. p sut cht khớ c to ra l do
A. Cht khớ thng cú khi lng riờng nh
B. Trong khi chuyển động các phân tử khí va chạm với nhau và va chạm với thành bình
C. Chất khí thường có thể tích lớn
D. Chất khí thường được đựng trong bình kín
5. 100g chì được truyền nhiệt lượng 260J.nhiệt độ của chì tăng từ 15
0
C đến 35
0
C .tính nhiệt dung riêng của
chì(J/kg.độ)
A. 80 J/kg.độ B. 2 600 J/kg.độ C. 130 J/kg.độ D. 65 J/kg.độ
6. Điều nào sau đây là đúng khi nói về chất rắn ?
A. Các phân tử chất rắn ở rất gần nhau B. Lực tương tác giữa các nguyên tử, phân tử rất mạnh
C. Chất rắn có thể tích và hình dạng riêng xá định D. Cả A, B, C đều đúng
7. Trong quá trình chất khí nhận nhiệt sinh công thì biểu thức
QAU
+=∆
phải thõa mãn
A. Q > 0 và A < 0 B. Q < 0 và A > 0 C. Q > 0 và A > 0 D. Q < 0 và A < 0
8. Một thước thép ở 20
0
C có độ dài 1000mm.biết hệ số nở dài của thép là 12.10

với mặt đất .
a.tính động năng, thế năng và cơ năng của hòn bi tại lúc ném
b.tìm độ cao cực đại mà bòn bi đạt được
Bài 2:một thanh đồng chất tiết diện đều có hệ số đàn hồi là 140 N/m,đầu trên gắn cố định,đầu dưới treo
một vật nặng để thanh biến dạng đàn hồi.biết gia tốc rơi tự do g = 10m/s
2
.muốn thanh rắn dài thêm
3cm,vật nặng phải có khối lượng bao nhiêu?
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